(SANITIZED)UNCLASSIFIED PRODOUCT BROCHURES(SANITIZED)

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP80-00247A001700960001-6
• Release Decision: RIPPUB
• Original Classification: C
• Document Page Count: 573
• Document Creation Date: December 23, 2016
• Document Release Date: December 13, 2013
• Sequence Number: 1
• Publication Date: October 28, 1964
• Content Type: REPORT

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R
50X1 -HUM
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Electronic
Spectrophotometer
Here is what a hundred and fourty
years of experience based on thousands
of precision instruments offers for your
attention :
a synthesis of the work, research and
accomplishments in the field of spectro-
photometry.
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Accurate, rapid and convenient execution of the
following measurements:
? absorption of liquids, solids and gases in the
range 2,000 A to 12,500 A;
?fluorescence by monochromatic exciting light;
? diffusion in monochromatic light;
? flame spectrophotometry;
? special analysis of light sources.
An original feature of the instrument: The measuring
devices for fluorescence and diffusion are embod-
ied. A compact assembly has thus been obtained
for all the possible uses ; any kind of measurements
can be made without any previous dismantling.
Electronic SPECTROPHOTOMETER 2,000 A to 12,500 Al
The flame spectrophotometry attachment can be fitted
without any dismantling.
Both light sources normally used (hydrogen arc lamp
and tungsten filament lamp) have fixed positions. The
instantaneous operation of one of these light sources
or of the flame burner can be simply effected by means
of a lever.
A third electric lamp (mercury vapour lamp, or any
other lamp whose spectral characteristics are to be
analysed) can be fixed at the place provided for the
flame burner and also instantaneously operated.
The Jobin & Yvon spectrophotometer shows also
further original properties, the importance of which an
experienced spectrophotometrist will not fail to notice.
These properties are described later but we shall state
here some of them which are fundamental:
? The monochromator is of the constant deviation
type. This arrangement eliminates stray light without
any artificial means such as the insertion of filters.
? The symmetrical entry and exit slits are controlled
by a single calibrated control knob. Moreover they
are equipped with a double symmetrical height
reducer, which is also adjustable by means of a single
control.
? The structure of the cell compartment allows instan-
taneous setting of special devices (later described) such
as: adjustable thickness cells, graded thickness cells,
mounting for diffusion measurements of solid samples,
thermostatic mounting, and so on...
The electronic compartment incorporating the photo-
tubes and the amplifier is removable in one block,
which permits the installation of special receivers (for
instance photomultipliers or Pbs Photocell-see p. 4).
The reading instrument is a moving scale galvanometer.
The projected scale is 50cm long. Such a direct reading
is most convenient for usual measurements and prac-
tically indispensable for kinetic measurements.
The operator can choose from three sensitivities of
the galvanometer, which are in the ratios of 10-5-1.
He can also choose from three sensitivities of the ampli-
fier.
The quality of the optical and electronic systems enables
high performances with regard to the sensitivity as well
as to the reproducibility of the measurements. In parti-
cular, it is possible, with standard receiver compart-
ment and for the medium sensitivity of the galva-
nometer, to work within the whole range of the
spectrum with bandwidths of less than 10 A. This
bandwith can be reduced down to 2 A in the favou-
rable parts of the spectrum.
Judicious settings of both galvanometer sensitivity and slit height
allow measurements, step by step, of absorption of solutions of high
optical densities with constant bandwidths. In these circumstances,
optical densities up to 4 or 5 can be measured.
The power supplies of the amplifier and electric light sources are
completely A C mains operated. The instrument includes neither
storage battery nor dry cell. These power supplies are rack mounted
and individually removable.
Addition of an energy recording device has been foreseen, see p. 6.
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STAT
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Monochromator
Fig. 2
The Monochromator, aperture F/7, is of the 1800 constant
deviation type and this offers the following advantages:
improvement of the fineness of the lines by the sup-
pression of their dissymetrical widening;
separation and location in one plane of the entrance and
exit slits whose symmetrical opening are operated by a
single control. The separation of the entrance and exit
slits allows the complete elimination of stray light.
The precision of the chosen pass bands is determined by
the jaws, fabricated in optically polished steel, and whose
profile is reproduced to approximately better than a tenth
of a micron.
The transition from one wavelength to another is obtain-
ed by the rotation of a knob which drives a graduated
scale marked off from 2,000 to 20,000 A. The developed
length of the scale is 180 cm.
The standard receivers described later are only usable
up to 12,500 A, but they are easily removable and this
offers the user the possibility of substituting an other
device sensitive between 12,500 A and 20,000 A (see p.4).
The slit movement, which is blade spring mounted, is
operated by a drum graduated in hundredths of milli-
meters from 0 to 200 hundredths. At the start of the
opening this movement is demultiplied in such a way
that one turn of the drum corresponds to 2 hundredths.
It is thus possible to read and reproduce openings to
better than one half of a micron.
Apart from the width control, the slits are equipped with
a double, symmetrical, height reducer. It is possible,
between certain limits, to do the 100 point adjustment by
operation on the height of the slits and not on the width,
thus giving the possibility of operation with previously
chosen band pass limits.
The controls of the slits and the spiral are very smooth
and are distinguished by a complete absence of backlash
and dead times.
Photoelectric Receiver
The standard receiver compartment, removable in a
few seconds, carrie two vacuum photocells. One has a
caesium cathode on oxidised silver and works from
6,400 A up to 12,500 A, the other, whose range extends
from 2,000A up to 6,600 A, has a cathode of antimony-
caesium and a silica envelope.
The current emitted by one of these phototubes under
the action of light is applied to a direct current amplifier
including a double electrometer tube.
Three different LOAD RESISTORS are built in and
can be selected by merely turning a switch.
The three sensitivities of the GALVANOMETER corres-
pond to 0.5-2.5-5 p.A for 100 divisions of the scale. The
scale is graduated in optical densities and transmission
percentages.
Light Sources
The spectrophotometer includes, located in the same
housing, and mounted on adjustable supports:
? a hydrogen arc lamp;
? a tungsten filament arc lamp.
The change-over from one source to the other is operat-
ed by means of a three position lever. The third position
corresponds to the use of a auxiliary source which can be:
? either a mercury vapour lamp;
? or a flame burner;
? or an arrangement for fluorescence spectral analysis
(see p. 5).
The later sources (supplied on request at extra charge)
are placed at the left side of the spectrophotometer,
their supports being fixed to the back face of the base
by a locking sliding rail.
? or any source, for instance a lamp whose spectral
characteristics are to be analysed (the left side of the
spectrophotometer' has been kept entirely free for this
purpose).
Power Unit
This unit is connected to the mains by a single plug and
includes?within reach of the seated operator?mounted
in racks and easily removable, the following power sup-
plies (see front cover page) :
? on the right, regulated supply of the amplifier;
? on the left, regulated supply of the hydrogen lamp;
? in the centre (eventually), voltage regulated-and fre-
quency controlled supply of the tungsten filament lamp,
and non regulated supply of the mercury vapour lamp.
Some users prefer to supply the tungsten filament lamp
through accumulators: for this reason, the power supply
of this lamp is sold separately. In this case the central
front panel is blank and the corresponding rack is empty.
Its installation can be effected later on, within one
hour, by a non experienced operator.
Cell Compartment
Standard mounting
The rails on which the sliding tray runs, operated by a
four position notched rod, are fixed to the front panel of
the compartment. This assembly, which is the standard
mounting, is removable (fig. 4). All the parts which
it contains are protected by anodising.
The cell holder is positionned on the sliding tray by
means of two pins.
Absorption measurements: the cell holder is placed
as indicated in fig. 3 and 4. The light path coming
from the monochromator crosses horizontally the com-
partment and meets the phototube.
Diffusion and fluorescence measurements: a peris-
copic system can be inserted in the light path of the
exit slit. This periscope reflects the beam downwards
and then upwards into the cells through their base.
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Fig. 3
Fig. 4
The periscope can be instantaneously manceuvered without it being
necessary to remove the standard mounting.
An opening is provided in the left part of the tray platform (fig. 4), so
as to give passage to the beam which is vertically reflected by the
periscope. The cell holder must therefore be placed on the left side
of this platform where it is positionned by the two pins (screw heads)
shown on the figure.
The periscope is removable, like the mounting of the rails, in order
to permit the setting of other mountings described later.
The left wall of the compartment bears grooves for insertion of filters
selected according to the wavelengths of the fluorescent light emitted
by the sample examined.
Shutters: The cover of the cell compartment, mounted with light-
tight hinges bears a three positions knob, the rotation of which opens
or closes the slit and phototube shutters. An automatic locking
device prevents the opening of the cover when the Shutters
are open.
Accessories
Fig. 5
Photomultiplier attachment
The standard receiver compartment, described on p. 3,
can be replaced by another compartment (fig. 5) equip-
ped with:
? either a photomultiplier cell sensitive between 2,100
and 6,500 A;
?or a photomultiplier cell sensitive between 3,500 and
8,000 A.
The substitution of one compartment by another can
be effected in two or three minutes.
A high tension stabilised power supply is associated
with the photomultiplier compartment. This supply can
drive either of the above mentioned photomultipliers.
Safety and protective devices avoid all mistakes which
could arise from the simultaneous use of this equipment
and the standard spectrophotometer equipment.
The use of the photomultipliers instead of the normal
receivers is justified when the User requires very great
sensitivity, which can be the case with certain fluores-
cence measurements and with some flame additions.
The enumeration of these particular instances is outside
the scope of the present booklet, but la Societe Jobin
& Yvon will advise all the readers who bring forward
their special problems (see also p. 5).
Infra-Red Attachment
The standard receiver compartment can also be repla-
ed by a compartment similar to that represented by
fig. 5, and equipped with a lead sulphide cell, sensitive
between 10,000 and 20,000 A.
This compartment contains in addition to the cell,
a light beam modulator driven by a synchronous motor.
It is delivered with a power supply which also contains
the A.C. amplifier. The use of this equipment is justi-
fied when the User wishes to explore the spectral
region laying between 12,500 (limit of the sensitivity
of the cells of the normal receiver compartment) and
20,000 A.
Fig. 6
Mercury vapour lamp
Fig. 6 shows the housing of this lamp when in use. Its
support is adjustable. Its power supply (non regulated)
is mounted in the central rack of the power unit.
To the users who order this lamp later on, it is delivered
together with an installation scheme of the power supply
in the central rack (this installation can be effected
within an hour by an unexperienced operator).
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Flame spectrophotometry attachment (with
oxygen-acetylene burner)
Flame spectrophotometry, a field continuously increas-
ing, appears as one of the most reliable, rapid and
precise methods for the determination of alkaline and
alkaline earth metals and of many other elements.
The fundamental part of the attachment is a newly
designed self-atomizing burner, of all metal construction
(patented), which uses oxygen and acetylene.
Fig. 7
This direct injection burner enables the flame to be
free of atomized liquid as soon as the sample is with-
drawn. The time for rinsing is thus considerably reduc-
ed: 1 or 2 seconds.
The burner support (fig. 7) is fixed on the spectropho-
tometer base in the same way as the mercury vapour
lamp support.
The supply elements consist of a primary expansion
group installed on gas cylinders and of a secondary
expansion group installed in a housing which can also
contain the burner and its supports when not used.
A general view of the installation is shown on fig. 1.
Prior to delivery the safety valves are entirely adjusted. Thus the
intervention of the user is limited to the sole opening of the outlet
valves and to the ignition of the flame.
The attachment is delivered complete, ready to operate, with 10 beakers
for samples, but without oxygen and acetylene cylinders.
Alternative : oxygen-hydrogen burner
As an alternative to the installation above, an oxygen-
hydrogen burner can be supplied which permits the
determination of magnesium at the wavelength 3,730
and 3,830 A without being troubled by the flame back-
ground present in the emission spectra of the oxygen-
acetylene flame.
This burner employs the same low pressure expansion
group as the oxygen-acetylene burner (group shown in
fig. 1).
The primary expansion group of the oxygen bottle is
likewise the same.
Each oxygen-hydrogen burner is delivered mounted
in a housing identical to that in figure 7 and accom-
panied by a primary expansion group to be fixed on
the hydrogen bottle.
Examples of detectable concentrations
According to the type of dosage and the sensitivity
to be attained, the measurements can be carried out
either with the phototubes of the standard receiver
compartment or with one of the photomultiplier cells.
The following table gives an idea of the detectable
concentrations when using the various receivers avai-
lable and burners available.
Concentration, reported in parts per million, corres-
pond to 100 divisions of scale deflection.
STANDARD RECEIVERS
PHOTOMULTIPLIER
RECEIVERS
Antimony
Phototube
Caesium
Phototube
2 100-6 500 A
"
3,500-8,000 A
Ca
*40 **50
* 10 .02
.10 **12
Na
* 2 ** 2
? 1 ** 1
? 0,5 ** 0,5
K
.7 ??10
? 3 **4
Mg
*700 ?? 120
* 130 **40
* oxygen-acetylene burner.
** oxygen-hydrogen burner.
Arrangementforfluorescence spectral analysis
The standard mounting of the cell compartment des-
cribed on p. 3 allows the excitation of a fluorescent
substance by monochromatic light; the excited fluo-
rescent light being then filtered by appropriate coloured
filters before its arrival at the photoelectric receiver.
Alternatively, the arrangement presented here (fig. 8)
is a supplementary accessory which enables the analysis
by means of the monochromator of the fluorescent spec-
trum of a substance excited by a mercury vapour lamp.
The ray emitted by this lamp which has been selected
as the excitation ray, is isolated by an appropriate
optical filter and the fluorescence is directed on the
entrance slit of the monochromator.
The mounting has been designed for the mercury
vapour lamp described on p. 4 but other sources can
easily be employed.
Antivibration galvanometer support
To keep its scale perfectly stable and clear the galvanometer must be
screened from vibrations. This condition which is imposed by the
large optical magnification is normally fulfilled when the instrument is
placed on a heavy table, on a mattress, or on a bracket.
To the Users who are not in a position to meet these requirements we
advise the use of our anti-vibration support.
Spectral studies of luminous sources
In order to study the spectral distribution of any source, it is sufficient
to place it at the place provided for the mercury vapour lamp and the
flame burner: by actuating the source changing lever, it is then possible
to compare for each wavelength the light intensity emitted by the
source examined with that of the tungsten filament lamp or of the
hydrogen arc lamp.
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Mounting for demountable cells
and thermostatic device
This device, which can instantaneously take the place
of the standard rail mounting, can receive:
? a demountable cell of adjustable thickness (fig. 9),
later described;
? a demountable cell of graded thickness, later des-
cribed;
? the non-demountable cells fitted for the standard
mounting (for absorption measurements only, diffusion
and fluorescence measurements excluded).
Thermostatic device
It is composed of an assembly of two flat chambers;
this assembly can be laid on the above mounting.
Water circulates in these chambers between baffles,
circulation of the water from one chamber to the other
being obtained by flexible tubes.
The distance between chambers is variable so as to
ensure a good temperature regulation whatever may be
the thickness of the cells used (20-10-5 mm.).
The front panel of the mounting is provided with two
openings through which pass the water inlet and outlet
(fig. 10). When the thermostatic device is not used,
these openings are closed by screwed caps (fig. 9).
Measuring device for diffusion of solid samples
Fig. 11
Fig. 12
This device includes (fig. 11):
? a holder for four samples, mounted on the tray of the
cell compartment standard mounting. This holder bears
adjustable spring retainers which ensure correct loca-
tion of samples of different thicknesses;
? a mirror fixed to a mounting which is placed in the
grooves of the left wall of the cell compartment.
When the periscopic system for diffusion and fluo-
rescence measurements is inserted, the monochromatic
vertical light path is reflected by this mirror to give an
incidence of 450 on the samples being examined.
The cell receives the light diffused by the samples in a
cone having its axis perpendicular to their plane (fig. 12).
Measuring device for absorption
of coloured glasses
This enables the examination of four coloured glasses
cut in 17 mm. diameter plates.
Energy recording device
Fig. 13
The equipment (fig. 13) permits the recording of the
spectral energy variations resulting from the four follow-
ing parameters:
? Spectral emission of the source;
? Spectral sensitivity of the cell;
? Resolution of the monochromator;
? Absorption of the substances being examined.
Now, for given working conditions (source, photocell,
width of slit, load resistance, cell) the first three para-
meters follow invariable laws as a function of wavelength
and consequently have no influence in comparisons
between curves obtained with different solutions.
The absorption of these solutions can then be rapidly
seen, which is a matter of great interest for:
? Either qualitative identification of solution (in parti-
cular for fixing the presence of unknown impurities
in known solutions);
? or for determining the absorption peaks most appro-
priate for quantitative measurements;
? or for studying the displacement of these peaks
during the course of reactions;
? or for recording flame emission or fluorescence
spectra (which gives rise to information of the sensi-
tivity of the measurements as a function of the operat-
ing conditions).
The equipment consists of three parts:
1. A recording galvanometer which instantly replaces
the normal galvanometer.
2. A base on which the spectrophotometer is placed
and which contains a drive mechanism for the prism
and wavelength drum of the spectrophotometer. This
mechanism has four speeds by interchangeable gears,
an indicating system for marking integral wavelengths,
a system of stops adjustable in wavelengths and a
disconnecting mechanism.
3. An empty base plate, simply for raising up the power
supply.
This equipment can be mounted by the User himself,
if it is acquired after the spectrophotometer; and once
in place, it in no way hinders the manual operation of the
instrument.
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I.
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Accessories, Cells
All cells employed in the spectrophotonter have opti-
cally plane and parallel working faces. 'flatness and
parallelism conditions are carefully cheo,ed, as well
as the transmission curve of the materialfrom which
they are made.
Non demountable glass and silica cells are velded and
carefully annealed in order to eliminate internd strains.
Non-demountable glass cells
The characteristics of these cells (fig. 14) are irdicated
in the commercial specifications (p. 8).
Non-demountable silica cells
The characteristics of these cells (fig. 15) are indicated
in the commercial specifications (p. 8).
Holders for non-demountable
glass and silica cells
The non-demountable cells must be placed on appro-
priate holders (fig. 14 and 15). Some of these holders
are designed for several types of cells: see commer-
cial specification (p. 8).
Microcells and arrangements for their use
The interest in these microcells is that they permit
the use of a very small sample volume (0.4 ml) with
a useful thickness of 10 mm.
There are two models of identical dimensions but in
different materials:
? Microcell in silica, for use throughout the spectral
region of the spectrophotometer;
? Microcell in glass, for use with wavelengths greater
than 3,500 A.
The fitting which is necessary to put these microcells
into use comprises:
? 1 Support with four compartments, substituting for
the ordinary cell support.
? 1 Diaphragm for limiting the width of the luminous
beam.
Demountable quartz cells
These cells are used singly or in pairs, without any
intermediate holder and are automatically centered by
the mounting tray described p. 6 (fig. 9). Their windows
are of crystalline quartz, whose transmission is very
high, even in the far ultra-violet.
0-10 mm adjustable thickness quartz cell
(fig. 9).
The thickness between the two quartz windows is adjust-
ed by a micrometric screw whose control drum is cali-
brated in centimillimeters. All metal parts are gilded.
A base secures its stability when laid on a table.
Graded thickness quartz cell with glass rings
(fig. 16).
By means of a combination of seven glass rings and an
indented quartz plate, this cell gives the following thick-
nesses in millimeters:
0.01
0.1
0.2
0.5
1
5
10
15
20
The metal parts are normally nickel-plated, any other
coating can be supplied on request.
Fig. 16
Graded thickness quartz cell with metal rings
Provides the same thicknesses as the above cell, but the
rings are of gilded metal and each of them is crossed by
two diametrally opposed passages in which are screwed
nozzles with stoppers.
This arrangement facilitates the filling by means of a
syringe and also allows a continuous flow of the sample
if desired.
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Commercial Specification
Electronic spectrophotometer 2,000 A - 12,500
A for absorption, diffusion and fluorescence
measurements in monochromatic light, with hydro-
gen arc lamp and tungsten filament lamp, standard
photoelectric receiver, standard cell compartment
mounting, power unit Including regulated supplies
for amplifier and hydrogen arc lamp on 110 V
120 V - 220 V - 240V 50/60 cps mains, moving scale
galvanometer, two " Corasi " cells, one " Sucora "
holder
Voltage regulated and frequency controlled
power pack on 110 V - 120 V - 220 V - 240 V - 50
cps (60 cps on request) mains for tungsten filament
lamp ; to be Installed on the central rack of the
power unit (p. 3.)
Photomultiplier Attachment (p. 4).
Power supply only
Receiver compartment with photomultiplier
2,100-6,500 A
Receiver compartment with photomultiplier
3,500 - 8,500 A
Infra-red attachment (p. 4), comprising the
receiver compartment with modulator and amplifier
and power supply on 110 V - 120 V.. 220 V - 240 V
50 cps (60 cps on request) mains
Mercury vapour lamp with support and power
supply on 110 V - 120 V - 50/60 cps mains or
power supply on 220 V - 240 V - 50160 cps mains to
be installed on the central rack of the power unit (p.4)
Flame spectrophotometry attachment (oxygen
acetylen burner), complete with 10 beakers, ready
to operate (supplied without oxygen and acetylene
cylinders) (p. 5)
Oxygen-hydrogen burner (p. 5), mounted in a
housing, taking the place of tha burner arrange-
ment " Rabat " above, with primary expansion
group for the hydrogen bottle (supplied without
hydrogen bottle)
Arrangement for fluorescence s pectral analysis,
without cell, or filter (p. 5)
MAROC Il
FEDALA
PEMALI
PEMUV
PEMVI
IFRANE
CASA
RABAT
HYDROX
MAZAGAN
Non demountable cells and holders (p. 7)
Filter, delivered In nicht fitting on to the arrange-
ment for fluorescencepectral analysis (the selec-
ted pass band to be bted) ...
1
Anti-vibration galOometer support (p? 5) ? ? . ?
Cell compartment Lounting for demountable
cells and thermostat., device (p. 6) ? ? ?
Thermostatic devij to be laid on the ibove moun-
ting (p. 6)
Measuring devicelOr diffusion ofsolid samples
(p.6)
Measuring devio for absorp(on of coloured
glasses (p. 6)
Energy recordinj device, drriPlete, with recor-
ding galvanometcr, base conaining the scanning
arrangement and base for pe power supply, for
mains of 110 V - 120 V - 40 V - 50 cps (60 cps
on request) (p.6)
Energy recording devie, as above but without
recording galvanometerip. 6)
Spare accessories
Hydrogen arc lamp.
Tungsten filament ImP
Mercury vapour ladP
Galvanometer illeiinating lamp
Beaker for flamespectrophotometry
Neon pilot lamp
4 V 40 mA pilo' amp
Demountabit cells
(to be used II FEZ mounting)
Adjustable nickness cell (P? 7)
Graded thi,kness cell with glass rings (p. 7)
Graded Thickness cell with metal rings
(P. 7)
Microceis
Glass incrocell (P? 7)
Silica mcrocell (P. 7)
Fitting br use of microcells (p. 7)
MAZAFIL
MARANTI
FEZ
AGADIR
SAFI
ATLAS
REGDA
OUJDA
BONE
KAOLACK
BOUFARIK
TLEMCEN
SALE
KERRIA
PERSICA
OXALIA
VINCA
MIMOSA
MICRO
MICROS!
SUMICRO
To be used
in
Material
Form
Thickness
Pll Pll
Contents
cm3
I Code word
for cell
Code word for
holder
Number of
cases of the
holder
STANDARD CELL *COMPARTMENT
MOUNTING
FEZ MOUNTING
? ? ? ? ? 4.
cn w 03 OD CO tet
? ? ? ? 0) 3:13 IV 93 13)
Fi 5 5 5 ?OGWW
CU 01 SD 0) C0 03 (0
rectangular
rectangular
rectangular
cylindrical
rectangular
rectangular
5
10
10
10
20
40
-?
c c 03 01 43 ro
43 431
LOUGA
CORA
RUFISQUE
DJOURBEL
SEGALA
THIES
SULOUGA
SUCORA
SULOUGA
SUCORALIN
SULOUGA
SULOUGA
2
4
2
2
2
2
rectangular
rectangular
cylindrical
cylindrical
rectangular
5
10
10
20
40
2.2
3.5
2.2
4
18
LOUSI
CORASI
CORALIN
SEGASI
THIS!
SULOUGA
SUCORA
SUCORALIN
SUSEGASI
SULOUGA
.2
4
2
2
2
.Cells which can be used in the FEZ mounting together with the AGADIR thermostatic device.
For diffusion and fluorescence measurements, CORA or CORASI cells must be used with SUCORA holder in the cell compartment standard
mounting. For fluorescence spectral analysis, use " CORASI" cells.
Dip
MoTHM
01.113.31...?D.
Printed in Freence Imp. Lafoyelte-Poris
26, rue Berthollet
ARCUEIL (Seine)
FRANCE
Tel. : PEL 05-30 +
R. C. Seine 56 6 11.647
N? 5029 - 5.000 560
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DETECTEUR PNEUMATIQUE DE RAYONNEMENT
PNEUMATIC RADIATION DETECTOR
Appartenant a la classe des detecteurs
thermiques, ce recepteur pneumatique presente
une sensibilite energetique dependant tres peu
de la longueur d'onde.
Son seuil de sensibilite et so constante de
temps sont comparables a ceux des meilleurs
bolometres et thermopiles. Mais les dimensions
de la surface receptrice sont plus grandes de
sorte qu'a egalite de flux energetique recu, on
peut mesurer des eclairements plus foibles.
PRINCIPE
Le recepteur est constitue par une mem-
brane disposee au milieu d'un volume gazeux
limite d'un cote par. une fenetre transparente
dans le domaine des radiations utilisees et de
l'autre cote par une membrane souple metallisee
dite membrane de mesure.
LICENCE 0.N,E.R.A.
Belonging to the category of thermal
receptors, this pneumatic radiation detector
provides an energy sensitivity which is very little
dependent on wavelength.
Its threshold sensitivity and time constant
are comparable to those of the best bolometers
and thermopiles. But the receiving surface being
larger, it is able, for equal received energies, to
measure weaker illuminations.
PRINCIPLE
The detector consists of a membrane located
in the centre gaseous of a volume, limited on one
side. by a window transparent for the spectral.
region employed and on the other, by a flexible
metallised membrane, known as the measure-
ment membrane. ?
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L'echauffement de la membrane receptri-
ce, produit par l'absorption du rayonnement
incident, se communique au gaz qui l'entoure et
provoque une augmentation de sa pression. II
en resulte une deformation de la membrane de
mesure qui se traduit par une variation de la
capacite du_ condensateur constitue par cette
membrane deformable et une armature fixe.
Ce condensateur est monte dans un pont
capacitif alimente par une tension haute fre-
quence.
En modulant a basse frequence le rayon-
nement a etudier, on fait varier la capacite du
recepteur et on module donc le niveau de des&
quilibre du pont. Acres pre-amplification et
detection, puis amplification basse frequence, on
cbtient un signal alternatif, dont on peut mesurer
la valeur efficace, ou, apres une deuxieme detec-
tion, une tension continue qu'il est possible de
lire ou d'enregistrer.
DESCRIPTION
CelIuIe receptrice
La cellule se presente sous la forme d'un
cylindre (fig. 1).
The heating of the receiving membrane,
produced by absorption of the incident radiation,
is communicated to the gas surrounding and
leads to a pressure increase. A deformation of
the measuring membrane results and this in turn
is translated into a variation of capacity of the
condenser formed by this membrane and a fixed
armature.
This condenser is part of an unbalanced
capacitive bridge which is fed with a high fre-
quency voltage.
By modulating the radiation under study,
the capacity of the receiver can be varied and
thereby modulating the level of unbalance of
the bridge. After preamplification, an alternat-
ing signal can be obtained and its value measur-
ed, or after a second detection, a continuous
voltage can be read or recorded.
DESCRIPTION
Receiving cell
This cell is of cylindrical shape (see fig. 1).
(fig. 1) cellule receptrice ? receiving cell
Une fenetre en sel gemme (1) est fixee au
centre de la face avant du cylindre. La membrane
receptrice (2) est a 7 mm de la face exterieure
de cette fenetre. Son diametre est de 4 mm et
elle peut recevoir un faisceau de rayonnement
de 60? d'ouverture.
A NaCl window (1) is fixed on the center
of the cylinder front end. The receiving mem-
brane (2) is situated 7 mm. behind the external
face of this window. The surface useful diameter
is 4 mm. and the incident beam maximal aperture
is 60 degrees.
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Declassified in Part - Sanitized Copy Approved for Release 2013/12/13: CIA-RDP80-00247A001700960001-6
L'armature fixe du condensateur de mesure
est reliee a la borne (3) se trouvant sur la face
arriere du cylindre, tandis que la membrane de
mesure, formant armature mobile du condensa-
teur est reliee a la masse du boitier.
Un queusot (4) apparait egalement sur la
face arriere.
Boitier recepteur
La cellule est fixee a l'interieur d'un bol-
tier contenant une partie des organes du pont
capacitif de mesure et un tube electronique
permettant une liaison a basse impedance. Le
boitier recepteur peut ainsi etre retie au coffret
de l'ensemble electronique par un cable de plu-
sieurs metres de longueur.
Coffiret de l'ensemble electronique
Le coffret contient l'amplificateur electro-
nique et son alimentation stabilisee. L'amplifi-
cateur comprend d'une part, un oscillateur haute
frequence, les orgones complementaires du pont
et un etage amplificateur haute frequence suivi
d'un detecteur. Un galvanometre permet le
reglage du taux de desequilibre du pont. On
trouve d'autre part, deux etages amplificateurs
basse frequence dont l'un comporte un attenua-
teur et enfin un etage de sortie transformateur
d'impeclance. Un inverseur permet la mise en
circuit d'un second detecteur pour l'obtention
d'une tension de mesure continue au lieu d'une
tension alternative.
Modulateur
Le rayonnement incident sur le recepteur
dolt etre module, la cellule n'etant pas sensible
a un signal continu. La modulation est produite
par un disque entraine par un moteur synchrone.
CARACTERISTIQUES
? Diametre de la surface
receptrice
? Distance de la
receptrice a la
d'entree
: 4 mm
surface
fenetre
: 7 mm
? Angle d'ouverture du fais-
ceau admisible : 600
? Capacite
? Tension de claquage
? Tension de service
? Contante de temps
: 12 a 14 pF
: 10V
:6V
: 25-30 ms
The condenser fixed armature is connected
to a bushing (3) situated on the cylinder back
end, while the measuring membrane which forms
the condenser mobile armature is connected to
the cell body.
An exhaust (4) also appears on the back
end.
Cell housing
The receiver is part of a housing containing
part of a capacitive bridge and an electron tube ?
allowing a low impedance connection to the main
cabinet, this connection can thus be several
meters long.
Main cabinet
The electronics and its mains regulated
power supply are housed in this cabinet. The
electronics include a high frequency oscillator,
the bridge complementary elements and a high
frequency amplifier followed by a detector. A
galvanometer allows adjustment of bridge un-
balance level.
Following are found two low frequency
amplifying stages separated by an attenuator,
and finally an impedance transforming stage. A
commutator permits insertion of a second detec-
tor for D.C. measurement voltage.
Modulator
Incident beam has to be modulated, the
detector being not sensitive to an unmodulated
signal. Modulation is provided by a chopper disk
driven by a synchronous motor.
CHARACTERISTICS
? Diameter of sensitive sur-
face
? Distance from se'nsitive
surface to window front
plane
? Maximum beam aperture
angle
? Cell condenser capacity
? Breakdown voltage
? Working voltage
? Response time
: 4 mm
: 7 mm
: 60?
: 12-14 pF
10V
:6V
: 25-30 ms
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Declassified in Part - Sanitized Copy Approved for Release 2013/12/13: CIA-RDP80-00247A001700960001-6
? Energie minimale detec-
table
? Sensibilite
? Sensibilite spectrale
? Reponse en frequence
? Dimensions (mm)
Cellule receptrice
Coff ret
Boitier recepteur
: 5 a 10.10-" W
f : 10 Hz et
pour une bande
passante de 25 Hz
(5 a 30 Hz)
: 10-' pFhtW
: pratiquement
constante de 2 a
10 rim avec une
fenetre en sel
gem me
: courbe fig.2
: long. 45, cl.iam. 30
: larg. 510,
haut. 200
prof. 280
: long. 160,
diam. 50
? Masse de l'ensemble (Kg) : brut 38, net 19
1.
le
-20
-40
dB 20 log ?Sf
So
? Minimum detectable ener-
gy
? -Sensitivity
? Spectral sensitivity
? Frequency response
? Sizes (mm)
Receiving cell
Cabinet
Cell housing
? Weight (Kg)
102
V
f:Hz
fig. 2 ? Reponse en frequence Frequency response
Sur demande, il est possible de modifier les
conditions de remplissage de la cellule (nature du
gaz et pression) pour diminuer la constante de
temps, mais au detriment de l'energie minimale
detectable.
SPECIFICATION COMMERCIALE
L'appareil complet, avec preamplificateur et
amplificateur 1NDRE
Cellule receptrice seule RHIN
: 5 a 10.10-'" W
for a modulation
frequency of 10
cps and an ampli-
fier frequency
range of 25 cps ?
(5-30 cps)
: 10-" pF/itW
:practically constant
between 2 and
10 iim with NaCI
window
: see diagram fig. 2
: width-: 45, dia-
meter: 30
: width: 510,
height: 200,
depth: 280
length: 160, dia-
meter: 50
: gross: 38, net: 19
Response time can be made shorter on spe-
cial order, by changing gas type and pressure but
with some loss in sensitivity.
? COMMERCIAL SPECIFICATION
The apparatus complete with preamplifier
and amplifier ? ? INDRE
Receiving cell only RHIN
Lo Societe JOBIN & YVON se reserve le droit crapporter
sen instruments tous chongements qui pourroient etre rendus
souhaitoblei par revolution scientifique ou technique.
f?En ronn T? ? ? a es..
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JOBIN & YVON reserves the right to make arty changes in instrument
designs which would result suitable in accordance with scientific or
technical progress.
Printed in France
26, rue Berthollet
ARCUEIL (Seine) - FRANCE
TEL. : PEI. 05-30
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Declassified in Part - Sanitized Copy Approved for Release 2013/12/13: CIA-RDP80-00247A001700960001-6
V
fIG. 1
C===)
.r=3
I"
a odau
il fit)
lb we'
1 s
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c"--)
VUE D'ENSEMBLE DU REFLECTOMETRE
LAY OUT OF THE REFLECTOMETER
Eric"."ErCi\Y'r:FRE
MODELE LABORATOIRE CENTRAL DE L'ARMEMENT
Ce Reflectometre est consu et realise dans le but de :
^ determiner les coefficients trichromatiques d'echantillons colores,
donc le point de couleur, la purete of la longueur d'onde
dominante,
C determiner le degre de blancheur d'un materiau,
? comparer des echantillons colores,
? mesurer des reflectances et des transmittances,
n mesurer le brillant speculaire sous l'angle de 15?,
? classer des echantillons fluorescents.
Les mesures sent realisables sur des echantillons de forme, de
dimensions et de presentations variees, tels que :
plaques peintes
papiers
tissus
matieres plastiques
J
verre
encres
liquides
poudres agglomerees, etc...
PRINCIPE DE MESURE 1
J
Le principe de l'instrument est bas6 sur l'utilisation dune SPHERE
INTEGRATRICE.
Les resultats obtenus dans ces conditions renseignent tres exacte-
ment sur l'aspect visuel moyen des objets.
l'echantillon E (tissu, papier, plaque), place devant l'ouverture 0
dune sphere I recouverte interieurement d'oxyde de magnesie,
est eclaire en faisceau porallele sous un angle de 15?. La lumiere
incidente est soit blanche, soit filtree par l'un des trois filtres
tristimulus bleu, vent ou ambre. On peut egalement survolter la
lampe et produire de la lumiere de Wood pour les examens
d'echantillons fluorescents.
La lumiere reflechie regulierement par l'echantillon pout etre, soit
integree dans la sphere, soit absorb6e par un piege 6 lumiere P.
La lumiere diffusee sous toutes les incidences, produit sur les
parois de la sphere un eclairement proportionnel 6 la reflectance
de l'echantillon. On forme alors l'image dune plage de la sphere
sur un photomultiplicateur PM qui debite donc un courant propor-
tionnel 6 la reflectance de l'echantillon.
Dans le cas dune mesure de transmittance (cas des solides trans-
parents of des liquides), rechantillon est place en C, sur le
parcours du faisceau lumineux.
Lors de l'etalonnage, l'ouverture 0 est fermee par on etalon blanc
aussi voisin quo possible de l'oxyde de magnesie qui tapisse
interieurement la sphere.
ifi
7 Le photomultiplicateur mesure alors le facteur de transmission.
Les lectures se font sur on galvanometre gradue 6 la fois en
transmittances of en densites optiques.
DESCRIPTION DU REFLECTOMETRE
Le Reflectometre se presente materiellement sous la forme de trois
elements distincts : (fig. 1)
C Le Reflectometre proprement dit,
C Le bloc d'alimentation et de reglage,
ri Un galvanometre de lecture.
LE RtFLECTOMETRE LUI-MtME comprend : (fig. 2)
C Une source lumineuse S : lampe 6 filament de tungstene
6 volts, 30 watts, 6 deux regimes de marche, l'un pour to
trichromie of toutes les mesures clossiques, l'autre en survoltoge
pour la fluorescence of le metamerisme.
C Une roue porte-filtres R 6 six cases, one libre pour la lumiere
blanche, trois reservees aux filtres calcules specialement pour
correspondre au systeme R.G.B. de la C.I.E., on filtre de Wood
et une autre case vide laissee 6 la disposition de l'utilisateur.
On pout en particulier mettre des filtres infra-rouge ou des filtres
visibles de caracteristiques differentes.
C Une sphere recouverte interieurement d'oxyde de magnesie I.
O Un piege a lumiere P.
In Deux porte-echantillons qui se succedent devant la sphere par
simple translation.
C Un photomultiplicateur 1 P 22 associe au bloc d'alimentation H.T.
LE BLOC D'ALIMENTATION ET DE REGLAGE comprend
Une alimentation regulee basso tension pour la lampe 6 fila-
ment de tungstene.
C Une alimentation regulee haute tension pour le photomultipli-
cateur.
C Un attenuateur a cinq positions, le rapport des attenuations
entre deux positions successives etant de 1/5.
In Trois ensembles d'organes de reglage du zero of d'etalonnage
permettant d'effectuer des mesures repetees sur trois filtres
sans reglages intermediaires.
LE GALVANOMtTRE
est gradue 6 la fois en transmittances, de 0 6 100, of en densites
optiques. II est du type 6 echelle defilante of so longueur d'echelle
(450 mm) permet des mesures tres precises.
SUR DEMANDE SPECIALE VERSION INFRA-ROUGE
La version infra-rouge est plus particulierement destinee aux
etudes dans la region comprise entre 0,7 ? of 3,5 IL.
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Declassified in Part - Sanitized Copy Approved for Release 2013/12/13: CIA-RDP80-00247A001700960001-6
V
FIG. 2
Source
Source
LI
Diaphragme D
12 Diaphragm D
Miroir M
Mirror M
Porte coves ou fihres C
Carriage for cells of filters C
Hires tristimulus R
Tristimulus fillers R
SCHEMA DE PRINCIPE
PRINCIPLE OF OPERATION
Piege a lumiere P
ou &alert
pour Brillant speculaire
Light?trop P
or standard
for specular brilliance
13
M
Sphere integratrice
Integrating sphere
Ouverture 0
----Opening 0
EtoIon to
Standard to
Echantillon E
Sample E
0 WIEMETET
MODEL LABORATOIRE CENTRAL DE L'ARMEMENT
This Reflectometer has been designed and built for the following
objectives :
? determination of the trichromatic coefficients of coloured
samples, the colour point, the purity and dominating
wavelength,
a determination of the whiteness degree of a material,
? comparison of coloured samples,
^ measurement of reflection and transmission,
^ measurement of specular brilliancy at an angle of 15?,
? classify fluorescent samples.
Measurements can be effected on samples of varying shapes
and sizes and forms, e. g.
painted slips
papers
fabrics
plastics
11 glass
inks
liquids
powder agglomerates, etc...
MEASUREMENT PRINCIPLE
The principle of the instrument is based on the use of an INTE
GRATING SPHERE.
The results obtained in these conditions give very exact informa-
tion on the average visual aspect of objects.
The sample E (fabric, paper, slip) located in front of the
opening 0 of a sphere I coated internally with magnesium
oxide, is illuminated by a parallel beam at an angle of 15?.
The incident light may be either white, or filtered by one of the
three tristimulus filters, blue, green or amber.
The lamp voltage can also be boosted and emit Wood light for
examination of fluorescent samples.
The light reflected regularly by the sample can either be integrated
in the sphere or absorbed by a light-trap P.
The diffused light produces on the walls of the sphere an illumi-
nation which is proportional to the reflectance of the sample. An
image of a region of the sphere is then formed on a photomul-
tiplier PM which gives an output current proportional to the
reflectance of the sample.
For a transmission measurement (in the case of transparent solids
and liquids), the sample is located at C, in the path of the light
beam.
?
During standardisation the opening 0 is closed by a white standard
as near equal as possible to the magnesium oxide which covers
the sphere internally.
The photomultiplier then measures the transmission factor.
The readings are made on a galvanometer graduated both in
transmittances and optical densities.
DESCRIPTION OF THE REFLECTOMETER
The Reflectometer is presented in the form of three distinct parts
(see fig. 1)
The Reflectometer, properly speaking,
^ A power supply and control block,
C A galvanometer for reading.
The REFLECTOMETER itself comprises : (see fig. 2)
^ A light source S : tungsten filament lamp 6 volts, 30 watts, with
two working voltages, one for trichromatic and all classical
measurements, the other one boosted for fluorescence and
metamerism.
C A six compartment wheel filter carriage R, one compartment
free for white light, three reserved for filters specially calculated
to correspond to the system R.G.B. of the (I.E., a Wood filter
and another empty and at the disposition of the User.
In particular, infra-red or different characteristic visible filters may
be inserted.
C A sphere covered internally with magnesium oxide I.
C A light-trap P.
C Two sample carriers which succeed each other by simple trans-
lation in front of the sphere.
C A photomultiplier 1 P 22 associated with the H.T. supply.
THE POWER SUPPLY AND CONTROL BLOCK comprises :
C A regulated low tension power supply for the tungsten filament
lamp.
13 A regulated high tension power supply for the photomultiplier.
^ A five positions attenuator, the ratio between successive posi-
tions being 1/5.
C Three sets of controls for zero and calibration allowing repea-
ted measurements with three filters without any intermediary
adjustments.
THE GALVANOMETER is graduated both in transmittances, from
O to 100 and in optical densities. It is of the moving scale type ;
its scale length (450 mm) allows precise measurements.
TO SPECIAL ORDER INFRA-RED VERSION
The infra-red version is particularly intended for studies in the
region between 0.7 is and 3.5 A.
ri
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I I
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Elle ne differe pas dans son principe de la version standard.
La difference essentielle consiste dons la substitution au photo-
multiplicateur dune cellule a sulfure de plomb sensible jusqu'a
3,5 it associee a un amplificateur alternatif. De plus, on introduit
sur le trajet lumineux, un modulateur mecanique du faisceau.
Dans le domaine visible, la cellule au sulfure de plomb, quoique
mains sensible que le photomultiplicateur, peut cependant etre
utilisee.
C'est pourquoi, la fourniture des filtres tristimulus est prevue
egalement dans la version infra-rouge.
MESURES
La luminosite du systerne optique et la sensibilite des r6cepteurs
utilises permettent des mesures dans les meilleures conditions.
La reproductibilite des mesures de reflectance ou de transmittance
est de 0,1 %.
Dans ces conditions, les composants colorimetriques sont donnes
avec une reproductibilite de 1 unite N.B.S. et une exactitude de
2 6 3 unites N.B.S.
La lumiere parasite maximale en lumiere fatale est de 2 %.
Les echantillons solides doivent avoir un diometre minimal de
30 mm, sans aucune limite sup6rieure et one epaisseur maximale
de 17 mm.
Les cuves utilisees dans les etudes de liquides, ont une contenance
de 3,3 ml.
ACCESSOIRES
^ Porte-filtre pour solides transparents de dimensions maximales
50 X 50 X 8 mm.
^ Filtre livre dans so monture et permettant de selectionner une
bande spectrale.
^ Cuve de 10 mm d'epaisseur et son support, pour l'etude des
liquides.
DIMENSIONS ET POIDS
DIMENSIONS
POIDS NET
Reflectometre
Bloc d'alimentation et de
restage
Galvanometre Sefrain, type
Moviscale
460 X 300 X 200 mm
365 X 295 X 230 mm
330 X 115 X 140 mm
12 kg
13 kg
3 kg
SPECIFICATION COMMERCIALE
Reflectometre avec filtres- tristimulus et photomultipli-
cateur, bloc d'alimentation et de reglage, galvano-
metre Moviscale
Porte-filtre 50 X 50 mm
Filtre dans so monture
Port e-cuve
Cuve 3,3 ml, epaisseur 10 -mm
Lampe de rechange 6 volts - 30 watts
ANJOU
AMFIL
REFILO
AMBEL
DJOURBEL
LANGEAIS
La Societe JOBIN & YVON se reserve le droit d'apporter
ses instruments bus chongements qui pourraient etre rendus
souhaitables par revolution scientifique ou technique.
It does not differ in principle from the standard version.
The essential difference consists of the replacement of the photo-
multiplier by a lead sulphide cell sensitive out to 3.5 it and an
associated A.C. amplifier. In addition, a mechanical beam modu-
lator is introduced into the light path.
In the visible region, the lead sulphide cell can also be used
although it is less sensitive than the photomultiplier. It is for
this reason that tristimulus filters are also provided in the infra-red
version.
MEASUREMENTS
The luminosity of the optical system and the sensitivity of the
detectors allow the measurements to be made in the best
conditions.
The reproducibility of the reflectance or transmittance measure-
ments is 0.1 %.
In these conditions, the calorimetric components are obtained with
a reproducibility of 1 unit N.B.S. and an accuracy of 2 to
3 units N.B.S.
The stray light as a maximum in the total light is 2 %.
The solid samples can have a minimum diameter of 30 mm, no
upper limit, and a maximum thickness of 17 mm.
The cells used for liquid studies have a capacity of 3.3 ml.
ACCESSORIES
fl Filter holder for transparent solids of maximum dimensions
50)( 50 X 8 mm.
0 Filter, delivered mounted for the selection of a spectral band.
fl Cell, 10 mm thick, with support, for the study of liquids.
DIMENSIONS AND WEIGHTS
DIMENSIONS
NET WEIGHT
Ref lectometer
Power supply and control
block
Galvanometer, type Sefram
Moviscale
460 X 300 X 200 mm
365 X 295 X 230 mm
330 X 115 X 140 mm
12 kg
13 kg
3 kg
COMMERCIAL SPECIFICATION
Reflectometer with tristimulus filters, photomultiplier,
power supply and control block and a Moviscale
galvanometer
Filter carriage 50 X 50 mm
Mounted Filter
Cell holder
Cell 3.3 ml, thickness 10 mm
Spare lamp, 6 volts - 30 watts
ANJOU
AMFIL
REFILO
AMBEL
DJOURBEL
LANGEAIS
JOBIN & YVON reserves the right to make in instruments
designs any changes which would result suitable in accordance
with scientific or technical progress.
JOBIN-YVON
26, rue Berthollet - ARCUEIL (Seine) FRANCE.
Telephone : PEL. 05-30.
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immomai
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pyrornetre.ii:.:.
OPtiqUe
Ribaud
Optical
Pyrometer
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Declassified in Part - Sanitized Copy Approved for Release 2013/12/13: CIA-RDP80-00247A001700960001-6
Pyrometre
Optique Ribaud
Fig. 1
* Le Pyrometre decrit ici a Me cite
pane Professeur G. Ribaud de la Fa-
culte des Sciences de Paris, Chaire
des Hautes Temperatures, auteur du
Traite de Pyrometrie edite par la
Revue d'Optique theorique et ins-
trumentale.
* The pyrometer described here
was designed by Professor G. Ri-
baud of the Faculte des Sciences de
Paris, Chaire des Hautes Tempe-
ratures, author of the Traite de
Pyrometrie, edited by la Revue
d'Optique theorigue et instrumen-
tale.
Fig. 2
Le Pyrometre optique Ribaud decrit dans
cette notice permet : la mesure precise des
temp6ratures elevees :
1 000 A 3 0000 C.
Un dispositif special, fourni sur demande,
permet l'emploi de ce merne instrument pour
la mesure des temperatures entre :
850?C et 1000?C.
Precision
pour le domaine : 1000? C - 3 000? C : 2?/00.
pour le domaine : 850? C - 1 000? C : 1? C
850? C ; 4? C a 1 000? C.
La connaissance precise des Hautes
Temperatures presente une importance con-
siderable dans de nombreuses Industries :
Verrerie-Ceramique,Produits Chimiques.
Eclairage-Chauffage etc.
Principe.
On procede a une egalisation photo-
metrique entre :
? la brillance fixe du filament d'une lampe
tare.
? la brillance apparente de la Source de
chaleur dont on veut mesurer la temperature,
cette brillance etant attenuee par le depla-
cement dun organe optique inalterable
(coin photometrique en verre neutre).
Ce principe presente d'enormes avan-
tages sur la methode inverse qui consiste
A modifier la brillance de la lampe tare par
variation d'intensite electrique pour la rendre
egale A la brillance de la Source. En effet :
? La mesure est faite a Brillance fixe
(celle de la lampe tare), ce qui est dans une
serie de mesures, une condition optima de
bonne egalisation photometrique.
? La lampe tare, soumise A un regime cons-
tant et assez bas, a un vieillissement
beaucoup plus faible qu'une lampe soumise
des regimes variables.
? Si la lampe vieillit, une correction
d'ensemble peut etre apportee A toute
l'echelle de temperature par simple decalage
d'origine (alors que l'emploi d'une lampe A
brillance variable exige une correction point
par point).
Ces differents avantages expliquent la
precision du Pyrometre optique Ribaud dont
on notera par ailleurs qu'il est compact et
maniable.
Sch6ma optique
des pyrometres
A filament disparaissant. (fig. 3)
Un objectif 0 fournit de la source S une
image reelle sur le filament de la lampe tare
L, parcouru par un courant i constant grace
un montage en pont de Wheatstone comple-
te par un rheostat d'equilibrage et un galva-
noscope de contrele. Le courant est fourni
par un petit accumulateur separe. (voir spe-
cification commerciale).
L'image de S et le filament ainsi super-
poses sont observes A l'aide d'un oculaire
0'. Un verre colore V isole les radiations
rouges dans le spectre emis par la source et
par le filament.
L'aspect du champ, pour l'oeil place A
l'oculaire, est l'un ou l'autre des trois aspects
que representent les figures 4-5-6-.
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The Ribaud optical
Pyrometer
The Ribaud Optical Pyrometer described
in this bulletin is used for the Accurate
Measurement of High Temperatures :
1,000 to 3,0000C.
A special fixture, supplied on request,
enables the same instrument to be used for
the accurate measurement of temperatures
between :
8500C and 1,000?C.
Accuracy :
for the region : 1,000?C - 3,000?C : 2?/00.
for the region :850?C -1,000?C: 1?C at 850?C;
4?C at 1,000?C.
The accurate knowlegde of high tempe-
ratures has considerable importance in
many industries :
Glassmaking - ceramic, chemical pro-
ducts, lighting - heating, etc.
Principle of Operation
A photometric balance is obtained between
? the fixed brightness of the filament of a
standard lamp
? the apparent brightness of the heat source
whose temperature is to be measured, this
brightness being attenuated by the displa-
cement of a constant optical element
(photometric wedge of neutral glass).
This principle has enormous advantages
over the inverse method consisting of
varying the brightness of the standard lamp
by variation of electrical supply to make it
equal to the source brightness. Thus :
? The measurement is made at fixed
brightness (that of the standard lamp),
which for a series of measurements is an
optimum condition for good photometric
balance.
? The standard lamp, operated at constant
and fairly low conditions, undergoes an
ageing which is much less than a lamp
subjected to variable operation.
? If the lamp ages, an overall correction
can be effected to the whole temperature
scale by simple shift of origin (whilst the
use of a lamp of variable brightness neces-
sitates a point by point correction).
These different advantages explain the
accuracy of the Ribaud Optical Pyrometer.
It is also to be noted that the Pyrometer is
compact and easy to handle.
Optical diagram
of Vanishing
Filament Pyrometer. (fig. 3)
An objective 0 provides a real image of
the source S on the filament of the standard
lamp L, which carries a constant current i
provided from a Wheatstone bridge arran-
gement with a balancing rheostat and a
control meter. The current is supplied by
a small separate accumulator (see the com-
mercial specification).
The superimposed image of S and the
filament are observed with the aid of an
eyepiece 0'. A coloured glass V isolates
the red radiations emitted by the source and
by the filament.
The appearance of the field as seen from
the eyepiece has one of the three forms as
represented in the figures 4-5-6-.
Les mesures se font lorsque l'Operateur
a realise l'aspect de la figure 5, c'est-A-dire
obtenu la disparition du filament.
Deux methodes permettent d'arriver a ce
resultat :
1? Dans le Pyrometre Ribaud, 1 existe un
coin absorbant C en verre neutre, mobile
derriere l'objectif 0 ; c'est son deplacement
qui permet d'obtenir la disparition du fila-
ment grace a une action photometrique
sur la brillance de l'image de la source
tandis que la brillance du filament de la
lampe reste invariable, ce filament etant
traverse par un courant i maintenu fixe.
Le deplacement du coin photometrique est
assure par la manoeuvre d'un tambour
qui porte deux echelles en degres centi-
grades : 1 000-1 600 et 1 500 A 3000? C.
2? Dans les autres Pyrometres dits "
courant variable ", le coin absorbant n'existe
pas ; on obtient la disparition du filament par
une action electrique sur la brillance du
filament de la lampe-tare, c'est-a-dire en
faisant varier le courant i qui le traverse.
Cette derniere methode presente les incon-
venients indiques dans le preambule de
cette notice.
Dispositif 8500C ? 1 000?C.
Le domaine classique de mesure des
temperatures du Pyrometre optique Ribaud:
1 000 A 3 000? C peut etre abaisse A 850? C
l'aide d'un dispositif special monte sur
demande.
Ce dispositif, constitue essentiellement
par une resistance supplementaire qui
s'insere sur l'une des branches du pont
de Wheatstone, permet de porter la source de
reference a une brillance constante, diffe-
rente de la premiere et convenant pour des
mesures entre 850? C et 1 000? C.
Dans ce cas, le tambour du Pyrometre est
modifie de maniere A comporter 3 echelles
differentes : 850? C - 1 050? C
1 000? C - 1 600? C
1
500? C - 3
000? C
Objectif de micropyrometrie.
La distance focale de l'objectif standard
a ete choisie pour permettre les pointes
commodes et pr?s de sources de dimen-
sions relativement faibles (3 mm A 1 m).
On y trouve, entre autres avantages, celui
de pouvoir effectuer le controle de l'instru-
ment par visees sur une lampe &talon A
ruban de tungstene alimentee sous un
regime fixe.
Pour la mesure de la temperature de
sources de faible diametre (petits echan-
tillons refractaires, filaments incandescents,
etc.), l'appareil peut se tranformer en Micro-
pyrometre grace A l'addition, en avant de
l'objectif normal, d'un objectif A court foyer;
il sera alors possible d'etudier des sources
dont le diametre n'est pas inferieur A 0,3 mm.
Mais, s'il s'agit de mesures systematiques
ou de sources encore plus reduites,
conviendra de recourir A l'appareil specialise
decrit ci-apres.
Measurements are made when the Ope-
rator has obtained the appearance of figure 5,
that is to say filament has vanished.
Two methods can produce this result :
1? In the Ribaud Pyrometer there is an absor-
bing wedge C of neutral glass, which is
moveable behind the objective 0; it is the
movement of this wedge which produces the
disappearance of the filament due to a
photometric action on the brightness of
the image of the source, the brightness of
the lamp filament remaining fixed since it
carries a fixed current i. The displacement
of the photometric wedge is obtained by
the operation of a drum bearing two scales
graduated in degrees centigrade: 1000 -
1600 and 1500 - 3000?C.
2? In other pyrometers known as " variable
current type ", there is no absorbing wedge.
The disappearance of the filament is obtai-
ned by electric action on the brightness
of filament of the standard lamp, that is
to say, the current i which it carries is varied.
This latter method gives rise to disadvan-
tages mentioned in the introduction of this
bulletin.
Arrangement for 850? C ? 1000? C
The classical region for temperature mea-
surement by the Ribaud Pyrometer from
1000? to 3000?C can be reduced to 850?C
with the aid of a special fixture supplied on
request.
This arrangement comprises essentially a
supplementary resistance which is inserted
in one of the arms of the Wheatstone Bridge
to give the reference source a constant
brightness, differing from the first and sui-
table for measurements between 850?C and
1,000?C.
In this instance, the pyrometer drum is
modified so as to carry three different scales:
850? C - 1,050? C
1,000? C - 1,600? C
1,500? C - 3,000? C
Micropyrometric Objective.
The focal length of the standard objective
has been chosen for convenient and precise
sitings on sources of relatively small dimen-
sions (3 mm to 1 m).
Amongst other advantages this allows
the checking of the instrument to be done
by sitings on a standard tungsten ribbon
filament lamp fed from a constant supply.
For the measurement of the temperature
of sources of small diameter (small refrac-
tory samples, incandescent filaments, etc...)
the instrument may be changed to a micro-
pyrometer by the addition in front of the
normal objective of a short focus objective.
It is then possible to study sources whose
diameter is not smaller than 0.3 mm.
If it is a question however of systematic
measurement of still smaller sources, it is
better to have recourse to the special instru-
ment described later.
Fig. 4
Fig. 5
Fig. 6
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3
Declassified in Part - Sanitized Copy Approved for Release 2013/12/13: CIA-RDP80-00247A001700960001-6
Micropyrometre Ribaud.
Cet appareil a ete concu en vue de
recherches variees sur des sources de tout
genre, particulierement sur des sources de
tres petites dimensions comme des fila-
ments de lampes A incandescence. II per-
met de faire, en laboratoire, toutes les
memes mesures que le Pyrometre et il
offre en outre au physicien des possibilites
multiples.
II differe essentiellement du Pyrometre
decrit ci-dessus, par les caracteristiques
suivantes :
10 Au lieu d'un seul objectif, il en comporte
3 se fixant sur des montures qui coulissent
A l'aide d'une cremaillere ; grace A quoi,
peuvent etre realises des grandissements
divers allant jusqu'a 4.
2? Au lieu d'une seule lampe-tare, il en
comporte 2, montees sur un meme chariot
mobile transversalement par cremaillere,
substituables l'une a l'autre instantane-
ment. La lampe laterale peut etre soumise
des regimes que l'Operateur choisit et
controle A son gre. La lampe centrale est
reliee a une boite de controle comportant
un pont de Wheatstone. Un troisieme empla-
cement de lampe est prevu, A la disposition
de j'Operateur.
30 Le coin photometrique est solidaire d'une
echelle lineaire portant une . graduation
millimetrique. Avec cheque Micropyro-
metre est fournie une fiche donnant la loi
de correspondance entre cette echelle et
les temperatures absolues, pour le cas de
l'emploi de la lampe-tare centrale reliee A
la bone de controle.
4? Au lieu d'un simple oculaire, le dispositif
d'observation comporte un microscope spe-
cialement amenage, avec mise au point par
cremaillere.
50 L'Operateur peut intervertir les lampes-
tares et la source A examiner.
6? Le support est muni de mouvements de
reglages fins pour le pointage en direction
et en site de la source exterieure A l'appareil.
Le Micropyrometre est fourni complet en
?t de marche mais sans accus. Nous
conseillons l'emploi d'accus de : 2 V, 45 AH
courants dans le commerce. Pour les acces-
soires : blocs standard de rechange, miroirs
et prismes A reflexion totale (voir specifi-
cation commerciale).
Specification Commerciale
Pyrometre Ribaud, avec poignee
de cuir pour usage a main sans tre-
pied PYRI
Accumulateur S.A.F.T. cadmium
nickel de 1v,2 et 10AH Pyrometre. ACRE
Charge de rechange pour cet accu-
mulateur CHARENTE
Etui pour Pyrometre avec coffret
pour accumulateur ETNA
Trepied ordinaire de laboratoire
avec rotule, comprenant un
triangle en fonte defer muni d'une
vis calante et une colonne a cou-
lant avec ecrou de serrage pour
Pyrometre TREPORT
Dispositif 850?C A 1 000?C Pyro-
metre DIVES
Objectif pour Micropyrometrie,
court foyer pour Pyrometre OBI
Bloc standard de rechange pour
Pyrometre BLOIS
Micropyrometre Ribaud sans accu-
mulateur MICROPYRI
Bloc standard de rechange pour
Micropyrometre BLERE
Miroirs et Prismes a reflexion totale, avec ou sans
montures : prix suivant caracteristiques, a spe-
cifier dans cheque demande.
La Societe Jobin et Yvon se reserve le droit
d'apporter a ses instruments tous changements
qui pourraient etre rendus souhaitables par
revolution scientifique ou technique.
(7;
PRINTED IN FRANCE
N? 5090 - 5000 - 3-61
R.C. SEINE 56 B 11647
DD3
26, rue Berthollet
Arcueil (Seine)
FRANCE
Tel. : PEL. 05-30
This instrument has been designed for
various investigations on sources? of all
types, and in particular for sources of
very small dimensions such as incandes-
cent lamps filaments.
It enables all the same measurements in
the Laboratory as the Pyrometer and in
addition gives the physicist many other
possibilities.
It differs essentially from the Pyrometer
described above in the following characte-
ristics:
1. In place of a single objective it has 3
fixed on mountings which are slid by a
rack; with this magnifications up to 4 are
obtained.
2. In place of a single standard lamp it has
2, mounted on a similar carriage and moved
by a rack transversally. They are instan-
taneously interchangeable. The side lamp
can be operated at choice by the Operator
and controlled as desired. The central
lamp is connected to a control box compri-
sing a Wheatstone Bridge. A third lamp can
be located at the wish of the Operator.
3. The phometric wedge is integral with a
linear scale carrying a millimetric graduation.
With each Micropyrometer a leaflet is sup-
plied giving the relationship between this
scale and absolute temperatures for the use
of the central lamp connected to the control
box.
4. In place of a simple ocular, the observation
arrangement consists of a specially prepared
microscope which is rack focussed.
5. The Operator can interchange the standard
lamp and the source to be examined.
6. The support is fitted with fine adjustments
for directional location and siting on the
external source.
The Micropyrometer is supplied complete
and in working order but without accumu-
lators. It is recommended to use 2V, 45 AH
commercially available. For accessories;
spare standard supply, total reflection
mirrors and prisms, (see commercial
specification).
Commercial Specification
Ribaud Pyrometer, with leather
handle for hand use, without tripod PYRI
S.A.F.T. Accumulator, cadmium
nickel, 1.2v and 10 AH Pyrometer ACRE
Spare charge for this accumulator CHARENTE
Portable case for the pyrometer
with box for the accumulator
Ordinary laboratory tripod with
swivel joint, comprising a cast iron
triangular base with levelling screw
and a sliding column with clamping
screw, for Pyrometer TREPORT
850?C - 1,000?C equipment for
Pyrometer DIVES
Micropyrometric objective, short
focus for Pyrometer OBI
Spare standard supply for Pyro-
meter BLOIS
Ribaud Micropyrometer without
accumulator
Spare standard supply for Micropy-
rometer BLERE
Total reflection mirrors and prisms, with
or without mountings: price according to charac-
teristics to be specified with each request.
Jobin et Yvon reserves the right to make in instru-
ment designs any changes which would result
suitable in accordance with scientific or techni-
cal progress.
ETNA
MICROPYRI
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MASSIOT NUCLEAIRE
40, Avenue Roche, Paris 8e
Agent: Compagnie OLIVIER
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MASSIOT NUCLEAIRE
40, Avenue Hoche, Paris 8e
Agent: Compagnie OLIVIER
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MASSIOT NUCLEAIRE
40, Avenue Hoche, Paris 8e
Agent: Compagnie OLIVIER
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MASSIOT NUCLEAIRE
40, Avenue Hoche, Paris 8e Agent: Compagnie OLIVIER
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Declassified in Part - Sanitized Copy Approved for Release 2013/12/13: CIA-RDP80-00247A001700960001-6
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Declassified in Part - Sanitized Copy Approved for Release 2013/12/13: CIA-RDP80-00247A001700960001-6
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Declassified in Part - Sanitized Copy Approved for Release 2013/12/13: CIA-RDP80-00247A001700960001-6
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Declassified in Part - Sanitized Copy Approved for Release 2013/12/13: CIA-RDP80-00247A001700960001-6
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Declassified in Part - Sanitized Copy Approved for Release 2013/12/13: CIA-RDP80-00247A001700960001-6
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Declassified in Part - Sanitized Copy Approved for Release 2013/12/13: CIA-RDP80-00247A001700960001-6
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Declassified in Part - Sanitized Copy Approved for Release 2013/12/13: CIA-RDP80-00247A001700960001-6
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A. ttik. 3tf1.1 7;i ? ?t, IA it 'Pr_ 1012 n), permettant l'emploi d'electrodes de verre de forte
resistance. Montage et electrodes entierement blincles, a l'abri des
perturbations electrostatiques et electromagnetiques. Dispositif de
garde electrique evitant les erreurs de mesure en atmosphere humide.
Possibilite de mesures h distance sans limitation de la longueur des
lignes.
LECTURE DIRECTE par instrument indicateur de precision h
deux ochelles de 120 mm, zero decal& aiguille couteau, miroir anti-
parallaxe ; boitier bakelite 6tanche. Prise pour enregistreur ou
ensemble de titrage automatique.
ALIMENTATION. ? Secteur alternatif 110 a 250 V, 50 Hz
(60 Hz sur demande), 30 VA. Double stabilisation magnetique et
electronique.
PRESENTATION. ? Coffret pupitre 370 x 290 x 170 mm ;
peinture martelee grise. Poids : 8,9 kg environ.
Rechfction du cadran de l'appareil
U8T
U9
APPAREILS DERIVES
Execution tropicalisee pour emploi en atmosphere
agressive ou saturee d'humidite.
Appareil avec correcteur de temperature 0 a 100 ?C ;
autres caracteristiques identiques a celles du type U 8.
TECHNICAL
FEATURES
MEASURING RANGES : pH : 0
to 14; potentials : -? 50 ? 0 ?
750 mV 2250 mV with an
external D 2 G offset voltage source).
ELECTRONIC AMPLIFIER of
symmetrical type, with high feedback
ratio (40 dB) ensuring precision and
stability better than -.? 0.03 pH or
-? 2 mV per 24 h and for ? 15 %
of mains voltage fluctuation ; calibra-
tion accuracy and linearity : better
than ? 0.3 % f.s.d. on all ranges.
INPUT. ? Very high impedance ( > 1012 II), allowing
the use of high resistance glass electrodes. Circuitry and
electrodes are fully shielded against electrostatic and electro-
magnetic interferences. Guard circuit eliminates errors from
imperfect insulation in damp ambiance and is useful when
remote electrodes are connected by lengthy cables.
DIRECT READING by precision meter, with two 5" scales,
offset zero, knife edged pointer, antiparallax mirror and
waterproof bakelite case. Output socket for connection of a
recorder or an autotitrator.
MAINS. ? A.C. 110 to 250 V, 50 c/s (60 cis upon
request), 30 VA. Magnetic and electronic stabilization of
internal supplies.
PHYSICAL. ? Desk cabinet 14 5/8 x 11 1/4 x 6 3/4",
grey enamelled. Weight : about 20 lb.
U8T
U9
ALTERNATIVE MODELS
Tropicalized version for use in agressive or
wet environment.
Model with 0 to 100 ?C temperature compen-
sator ; other characteristics same as U 8 type.
ACCESSOI RES
Electrodes de verre blindees (notice no 33-461).
Electrodes de reference (notice no 34-4611.
Electrodes metalliques et diverses (notice no 35-461).
Allonges de protection pour electrodes (notice no 36-461 A).
Recipients a titration avec electrodes a rodages normalises (notice no 36-461 A).
Agitateurs magnetiques 6 vitesse reglable (notice tr 22-4611.
Supports pour electrodes. Valise de transport.
Ensembles de titrage automatique (notices no. 1-TTG-PC et 1-TTS-PC).
Commutateur automatique pour 2 a 6 couples d'electrodes.
Unite de polarisation pour titrages " dead stop ".
Decaleur d'origine type D 2 G 10-1500 mV) (notice n? 1-DV).
Enregistreurs (notice no 4-ENR). Reseau dirivateur Derigraph.
ACCESSORIES
Shielded glass electrodes (leaflet : 33-461).
Reference electrodes (leaflet : 34-461).
Metal and miscellaneous electrodes (leaflet : 35-461).
Protecting electrode sleeves (leaflet : 36-461 A).
Titration vessels with standard ground joint electrodes
(leaflet : 36-461 A).
Adjustable speed magnetic stirrers (leaflet : 22-461).
Electrode holders ; transit case.
Automatic titration units (leaflets : 1-TTS-PC and 1-TTG-PC).
Automatic switch for 2 to 6 electrodes pairs.
Dead stop ? titration polarizing unit.
D2G offset voltage source ; 0 to 1500 mV (leaflet: 1-DV).
Recorder (leaflet : 4-ENR). e Derigraph e derivating network.
ZIOILEn,
2 et 4, RUE CARRY, LYON 3
TELEPHONE [phone] & 60-76-67
Agence de Paris: 3, Sq. Vermenouze (5e) ? 402-56-71
Alimentations stabilisees BT et HT - Amplificateurs pour audio-
frequences - Amplificateurs de signaux continue - Conductime-
tres - Electrodes de mesure - Enregistreurs - Ensembles de titrage
automatique - Generateurs pour coulometrie - Integrateurs -
Millivoltmetres at Vol tmetres electroniques - Ohmmetres et
Megohmmetres electroniques - Potentiostats - Preamplificateurs -
Temporiseurs reglables - Titrimetres - Appareils de tableau, etc...
Nous nous reservons le droll de supprirner la fabrication ou dx modifier les caracteristiques techniques, la presentation el le prix des appareils tigurant sur nos catalogues, notices et tarifs.
Notice n? 6-U8-PC ? 'Avril 1964
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Mil I PIM
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NOTICE 4-P 5-PC
pH ? METRE PORTATIF
gUTPE, IP 5
O Amplificateur a transistors au silicium
O Alimentation par piles de 1,5 V standard
O Lectures non affectees par la temperature ambiante
ni par l'usure des piles
O Appareil tres robuste et facilement transportable
(370 x 200 x 140 mm; 6,5 kg)
SOLEA - 2 & 4, RUE CARRY - LYON/3 ?
Telephone [phone] & 60.76.67
AS4WS2
g
Agence de PARIS: 3, Square Vermenouze PARIS (51 - Tel. [phone]
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Caracteristiques generales
Ce pH-metre portatif est un veritable apparel' de mesure et
non un ? jouet scientifique ?; ii a ete concu avec le souci d'eviter
une miniaturisation outree et la fragilite qui en aurait decoule.
Ses composants sont bus de qualite professionnelle et de dimen-
sions normales. La reduction de l'encombr.ement resulte de
l'emploi de transistors et dune disposition raisonnablement
compacte des elements.
? Amplificateur electronique equipe dun tube electrometre
subminiature deconstruction renforcee et de quatre transis-
tors au silicium. Croce a un faux de contre-reaction fres
&eve, le gain nest pas affecte par les variations de tempe-
rature, ni par l'usure des piles.
? Lecture directe sur instrument indicateur de precision ?rois
echelles avec aiguille couteau, miroir antiparallaxe, equipage
mobile a suspension antichoc. Boitier bake' ite etanche.
? Alimentation par piles torches de 1,5 V de modele standard.
de tres longue conservation et d'approvisionnement immediat
dans n'importe quel pays.
? Selecteur de fonctions avec positions de controle de la tension
des piles.
? Montage et electrodes entierement blind?a l'abri des per-
turbations electrostatiques et electromagnetiques.
? Traitement hydrofuge des elements du circuit de mesure et
Reduction du cadran de l'appareil
dispositif de garde electrique eliminant les erreurs par Mout
d'isolement en atmosphere humide.
? Impedance d'entree fres elevee permettant l'emploi d'elec-
trodes de verre a forte resistance. Electrodes individuellement
interchangeables.
? Equilibrage pratiquement instantane a la mise sous tension,
permettant d'arreter l'appareil entre les mesures. Faible
derive along terme. Compensation de la derive thermique des
transistors (de 0 a 50? C).
? Prise pour enregistreur.
Specifications techniques
? Piles d'alimentation : Elements cylindriques de 1,5 V de
0 = 33 mm x 60 mm. Ce type de pile est normalise dans
thus les pays, pour les applications civiles et militaires.
? Duree normale du jeu de piles complet : 500 a 1 000 heures de
fonctionnement; conservation : 2 a 3 ans.
? pH : 0 - 8 et 6- 14 (precision ? 0,02 unite).
? Correcteur de temperature : 0 ? 100? C.
? Stabilite : meilleure que ? 0,1 pH / 24 heures. Debt d'equi-
librage a la mise sous tension : 5 a 10 secondes.
? Impedance d'entree : superieure a 1014 ohms.
Cadran tres lisible, avec trois echelles de 120 mm de longueur.
Double graduation en unites pH et en millivolts.
Gammes de mesure
? Potentiels : 0 ? 1 000 mV (precision_ ? 5 mV); extension
jusqu'a 2 500 mV par emploi d'un decaleur d'origine.
Presentation
Bonier parallelepipeclique (370 x 200 x 140 mm) avec couvercle
detachable et poignee a ressorts.
Support de recipient et potence porte-electrodes incorpores.
Variante
Le pH-metre type PS peut alimenter un enregistreur gavano-
metrique a foible consommation (types G J't S 0 et B L 960).
Le type P 5 A est muni dun etage de sortie de puissance delivrant
2,5 mA sous ? 1,4 V pour l'alimentation dun enregistreur
inscription directe (enregistreur a entrainement par mouvement
d'horlogerie LINAX type E P 5 et apparel's similaires).
Accessoi res
Electrodes de verre blindees
Voir notices detainees
Electrodes metalliques
n" 33, 34, 35-461 et
Electrodes de reference
36-461 A.
Allonges de protection pour electrodes
Decaleur d'origine
Support type laboratoire
Recipients a titration
Unite de polarisation.
Enregistreur portatif a mouvement d'horlogerie LINAX type EP 5
(notice 4 - ENR).
Peinture emaillee grise deux tons.
Poids (piles comprises) : 6,5 kg environ.
Enregistreur LINAX
Dimensions 144 x 192 x 267- Poids 8 kg environ:
0-114 6die;ifie006601):1ifi
Nous nous reservons In droit de supprimer la fabrication Cu de modifier les corocteristiques techniques, lc presentation et In prix des appareils figurant sur nos catalogues, notices torifs.
Notice n. 4 - P5 ? PC Decembre 1963
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PHOTOELASTICIMETRES
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PHOTORASTICITi
ET PHOTOELASTICIMETRIE
On sait combien sont fondamentaux les problemes du
dimensionnement et de la determination des tensions into-
rieures des ouvrages d'art et des pieces mecaniques. En
ef fet, la resistance dune piece mecanique par exemple
depend essentiellement, la masse etant constante, de sa
forme. Inversement, il est possible, grace z une etude
convenable, de faire de sensibles economies de matiere si
ion desire obtenir une resistance determinee. Les me-
thodes classiques de calcul de resistance de materiaux
se heurtent a des dif ficultes insurmontables des que les
pieces a retude n'ont pas une forme geometrique simple,
ce qui est generalement le cas: Par contre, la photoelasti-
cimetrie permet de resoudre les problemes relatifs aux
ouvrages d'art et aux pieces mecaniques les plus divers.
Les phenomenes de birefringence acquise sous l'action
de forces exterieures par des materiaux transparents
constituent une image fidele de retat mecanique du mate-
riau sous faction de ces memes forces. On peut dire que
ranisotropie optique est une representation conforme de
l'anisotropie mecanique.
La photoelasticimetrie est retude de cette anisotropie
optique dans le but d'en deduire la repartition et valeur
des contraintes et des deformations mecaniques rinte-
rieur des pieces en examen. Cette etude peut etre conduite
en exergant sur les pieces, soit des efforts statiques, soit
des efforts variables grace a la possibilite d'un examen
par methode cinematographique... Ce point est d'une
grande importance car l'etude de la resistance des pieces
en mouvement prend une extension croissante dans la
technique moderne. Bien entendu, la piece examinee par
photoelasticimetrie est en general une replique ou un
modele reduit en materiau photo elastique (verre ou
plexiglas par example) de la piece mecanique etudiee.
Au lecteur desirant un expos?omplet des theories de la photo-
elasticimetrie et des methodes d'exploitation de cette technique,
nous ne saurions trop recommander l'ouvrage ? Elasticit4 et Pho-
toelasticimetrie ? par MM. H. LE BOITEUX at R. BOUSSARD.
Edit : Hermann & Ch'. PARIS.
Le clich?llustrant la couverture a ete obtenu et aimablement
prate par le Laboratoire d'Analyses des Contraintes de Suresnes
de la Societe Nationale d'Etude et de Construction de Moteurs
d'Aviation. II represente un disque de turbine experimental, perce
de trous at realise en araldite.
Les lignes isochromes qui y apparaissent sont dues an figeage
des contraintes engendrees par les forces centrifuges auxquelles
le disque a Me soumis.
PHOTOELASTICITY
AND PHOTOELASTICITY MEASUREMENT
We know how basic the problems of the measurement
and determination of internal tensions are in mechanical
pieces and machine work. In fact, the resistance of a
machine part, for example, essentially depends, the mass
being constant, on its shape. Inversely, if a proper pre-
liminary study is made, it is possible to effect a conside-
rable saving in material when a specific resistance is
desired. The classical methods of calculating the resis-
tance of materials encounters insurmontable difficulties
when the pieces to be studied do not have a simple
geometric shape, which is generally the case. But the
measurement of photoelasticity allows the problems rela-
tive to machine pieces of all sorts to be solved.
The double refraction phenomena, resulting from the
action of external forces on transparent materials, give a
faithful image of the mechanical state of materials under
the action of these same forces. It can be said that
optical anisotropy is a manifestation similar to mecha-
nical anisotropy.
The measurement of photoelasticity is the study of this
optical anisotropy with the aim of deducing from it the
distribution and value of stresses within the pieces under
examination. This examination can be conducted either
by submitting the pieces to static or to variable stresses,
thanks to the possibility of cinematographic examination.
This is an extremely important point as the study of the
resistance of moving pieces is taking up an increasingly
important position in modern technique. Naturally, the
piece measured by photoelasticity is usually a replica or
a small-scale model in photoelastic material (e. g. glass or
plexiglass) of the mechanical piece under observation.
To the reader desiring a complete account of the theories of
the measurement of photoelasticity and the methods of use of this
technique, we very strongly recommend the work ? Elasticite at
Photoelasticimetrie s by H. LE BOITEUX at R. BOUSSARD, publ.
Hermann & C. PARIS.
The cover photograph has very kindly been lent by the Suresnes
laboratory for the analysis of strains, which is attached to the
? Societe Nationale d'Etude et de Construction de Mot eurs d'Avia-
lion ?. It shows an experimental turbine disc 'pierced with holes
and made of araldite.
The isochromatic lines which appear there on are due to the
congealment of strains resulting from the centrifugal forces to
which the disc has been submitted.
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PHOTOELASTICI METRE
LE BOITEUX SUR BANCS (Pondichery)
LE PHOTOELASTICIMETRE LE BOITEUX dont la
figure 4 represente une vue d'ensemble est constitue par
deux banes separes entre lesquels se placent le modele
et son support qui peuvent par suite etre de dimensions
aussi grandes que l'on veut.
Sur l'un des bancs sont installes dans l'ordre la lan-
'erne d'eclairage, le systeme polariseur et la lentille colli-
mateur, sur l'autre la lentille collecteur, le systeme analy-
seur et le distributeur optique autour duquel sont groupes
les divers modes d'observation possibles (observation
visuelle par projection sur pupitre ou sur ecran, obser-
vation photographique ou cinematographique).
Les sources, au nombre de trois, sont installees dans la lan-
terne (fig. 2). Elles comprennent :
UNE LAMPE DE PROJECTION de 250 watts alimentee
directement par le secteur alternatif 110 volts. Elle est
utilisee pour tous les travaux courants en lumiere blanche.
UNE LA1VIPE A ARC DE ZIRCONIUM de 300 watts
constituant une source lumineuse de faible diametre
(3 mm) et de grande brillance (4.000 bougies au cm2).
Elle est alimentee par l'intermediaire dun dispositif special,
par le secteur alternatif 110 volts. L'emploi de cette lamps est
reserve aux etudes pour lesquelles une grande precision est
necessaire.
PHOTOELASTICIMETER
LE BOITEUX PHOTOELASTICIMETER
2
THE LE BOITEUX PHOTOELASTICIMETER PONDI-
CHERY, as shown in fig. 4, is made up of two separate
benches between which the model to be examined and
its support, which can be of any size desired, are placed.
On one of the benches are installed, in this order, the
light source, the polarising device and the collimator lens,
on the other the collector lens, the analysing device and
the optical distributor, around which are grouped all the
possible methods of observation (visual observation
through projection on drawing board or screen, photo-
graphic or cinematographic observation).
Three light sources are installed in the lamphouse (fig. 2).
They consist of :
A PROJECTION LAMP of 250 watts, fed directly from
the sector 110 volts A. C. It is used for all work carried
out in white light.
A ZIRCONIUM ARC-LAMP of 300 watts, constituting
a luminous source of small diameter (3 mm and of
great brilliance (4,000 candle power per cm2).
It is fed by a special apparatus operating on 110 volts A.C.
The use of this lamp is reserved for studies where great precision
is required.
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UNE LAMPE A VAPEUR DE MERCURE haute pression
(Philips) alimentee a l'aide dun transformateur par le
secteur alternatif. La radiation verte X = 5.461 A ernise
avec une grande intensite par cette lampe est isolee par
un ecran convenable. On peut ainsi eclairer is modele
en lumiere strictement monochromatique.
La substitution du mode d'eclairage en lumiere blan-
che (lampe de projection) au mode d'eclairage en lumiere
monochromatique (lampe a vapeur de mercure) s'effectue
par la rotation dun prisme, rotation commandee par
moteur electrique.
Seule l'utilisation, qui est moms frequente, de la lampe
a arc de zirconium exige une intervention manuelle, ii
suf fit de retirer le prisme et son support.
La lanterne renferme a so partie superieure un ventilateur
destin6 a accelerer la circulation de lair.
line cuve a eau, fermee par des galets de verre special absorbe
la majeure partie du rayonnement infra-rouge emis par les sources
et protege ainsi l'optique et surtout les polaroids.
LES SYSTEMES POLARISEUR ET ANALYSEUR sont
constitues par une lame polaroid de 30 mm et une lame
-quart d'onde. Les lames quart d'onde sont orientees par
construction de telle sorte que leurs lignes neutres soient
a 45? de la vibration rectiligne incidente. Elles peuvent
'etre simultanement escamotees hors du trajet lumineux
(observation en lumiere rectiligne) ou mises en place
(observation en lumiere circulaire) a l'aide dun moteur
incorpore dans chaque systeme (le mecanisme est visible
fig. 6).
L'ensemble polaroid-quart d'onde est solidaire dun
cercle gradue en grades.
Le systeme analyseur (fig. 6) est entraine en rotation
par un moteur electrique a vitesse reglable et a deux
sens de marche. Les rotations des ensembles polariseur
et analyseur sont Nees a l'aide dune telecommande
Saint-Chamond-Granat, de telle sorte qu'a une certaine
rotation du systeme analyseur correspond une rotation
identique du systeme polariseur.
Par construction, l'azimut zero correspond a une vibra-
tion incidente polarisee verticalement.
Photoilasticimetre le plus complet et le plus perfectionnt. Examen
de pieces de dimensions queiconques. Etude des efforts statiques,
des vibrations et des percussions. Observation directe par pro-
jection sur pupitre. Photographie. Cinematographie. Toutes les
mameuvres sant commandees du poste d'observation.
De plus, le polaroid du systeme analyseur peut tourner
autour de son axe independamment de la lame quart
d'onde du meme systeme, et du systeme polariseur. Co
dispositif permet la mesure des birefringences par la
methode goniometrique Tardy; les valeurs de ces bire-
fringences sont lues directement en centiemes de lon-
gueur d'onde sur un cercle divise en 200 parties (fig. 7).
LES LENTILLES COLLIMATEUR ET COLLECTEUR (dia-
metre 150 mm) sont taillees dans un verre a recuit special
et parfaitement denue de birefringence.
lmmediatement derriere le systeme analyseur est place
le distributeur optique. Celui-ci a pour rale de former sui-
vant la volonte de l'utilisateur l'image du modele sur le
chassis photographique a l'echelle 0,5 ou sur le pupitre
incline a l'echelle 2,2 (fig. 4).
Le passage d'un mode d'observation a l'autre s'opere immedia-
tement par to simple manceuvre d'une manette situ6e a portee de
la main de l'operateur assis face au pupitre. Dans les deux modes
d'observation il est possible, grace a un dispositif special, de faire
apparaitre l'azimut de polarisation sur le verre depoli du chassis
photographique.
Pondichery
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The most complete and improved photoelasticimeter. Examination
of pieces of any dimensions. Study of static stresses, vibrations
and percussions. Direct observation by projection onto drawing
board. Photography". Cinematography. All these operations are
telecontrolled from .the observation point.
A HIGH PRESSURE MERCURY VAPOUR LAMP (Phi-
lips) ? fed with the aid of a transformer from A. C.
current. The green light (X = 5.461 A), emitted with
great intensity by this lamp, is insulated by a conve-
nient screen. The model can thus be illuminated in
strictly monochromatic light.
The substitution of the method of white light illumina-
tion (projection lamp) by that of monochromatic light
(mercury vapour lamp) is effected by the rotation of a
prism controlled by an electric motor.
Only the least used zirconium arc lamp needs manual
assistance, it is sufficient to withdraw the prism and its
support.
The upper part of the lamp house contains a ventilator for
accelerating air circulation.
A water tank, closed by rollers of special glass, absorbs most
of the infra-red rays emitted by the sources and thus protects the
optics and especially the polaroids.
THE POLARISER AND ANALYSER are made up of a
polaroid sheet of 30 mm and a quarter waveplate. These
waveplates are adjusted so that their neutral lines are at
45 degrees to the incidental rectilinear ray. They can
be simultaneously retracted from the light path (obser-
vation in rectilinear light) or kept in place (observation
in circular light) with the aid of a motor incorporated
in each system (the mechanism is visible in fig. 6).
The quarter waveplate and the polaroid are linked up
with a circle graduated in degrees.
The analyser (fig. 6) is put into rotation by an electric
motor, the speed of which can be regulated and which
has a twoway motion. The rotations of the whole pola-
riser-analyser system are connected with the help of a
Saint-Chamond-Granat remote control, in such a way
that a particular rotation of the analyser corresponds to
an identical rotation of the polariser.
By construction the azimut zero corresponds to an inci-
dent ray polarised.
In addition, the polaroid of the analyser
can turn on its axis independently both of
the quarter waveplate of the same system,
and of the polariser system. This device
permits the measuring of birefringences by
the Tardy goniometric method the values
of these birefringences can be directly read in
hundredths of a wave length on a circle divided
into 200 parts (fig. 71.
THE COLLIMATOR AND COLLECTOR LENSES
(diameter 150 mm) are cut in specially annealed
glass and are completely free of birefringence.
The optical distributor is placed immediately
behind the analyser. The function of this is to
produce, as the user wishes, the image of the
model on the photographic chassis on a scale of.
0,5, or on the inclined drawing board on the
scale of 2,2 (fig. 4).
The transition from one method of observation to the
other is instantly effected by simply operating a lever
within easy reach of the operator seated in front of the
drawing board. In the two methods of observation it is
possible, thanks to a special device, to make the azimuth
of polarisation appear on the ground glass screen of the
photographic chassis.
5
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6
LA CAMERA CINEMATOGRAPHIQUE (fig. 1) est mon-
tee sur un patin special, ce qui permet d'installer even-
tuellement cet accessoire immediatement derriere le sys-
terne analyseur apres avoir recule le distributeur. Le
viseur coude monte sur in camera permet l'observation
visuelle laterale avant la prise de vue.
LE DISPOSITIF DE PROJECTION (fig. 3) monte comme
la camera sur un patin, se place egalement derriere Yana-
lyseur. Il est muni dun organe de mise au point du mo-
dele et dun miroir orientable qui permettent la projec-
tion sur un ecran dispose en dehors du banc.
UN TABLEAU DE COMMANDES (fig. 5) installe pres du
pupitre groupe l'ensemble des manettes et des voyants
destines a permettre l'execution par telecommande et a
controler les diverses manceuvres necessaires au fonc-
tionnement de l'appareillage : allumage et mise en sta-
tion des sources, passage de l'etude en lumiere rectili-
gnement polarisee (trace des isoclines-lames quart donde
hors service) a l'etude en lumiere circulairement polarisee
(trace des isochromes-lames quart d'onde en service),
recherche de l'azimut de travail.
Ce groupement de toutes les commandes permet
d'allier a la grande ef ficience resultant de la suppression
des temps marts et de la souplesse de Finstallation, un
parfait cord ort dans le travail de l'operateur.
Dimensions : 4,50 X 1,30 X 1,80 m.
Poids : 360 kg.
THE CINEMATOGRAPHIC CAMERA (fig. 1) is mounted
on a special block, allowing this apparatus to be installed
behind the analyser when the distributor has been with-
drawn. The bent viewfinder mounted on the camera
permits lateral visual observation before shooting.
THE PROJECTOR (fig. 3), like the camera, is mounted
on a block and can also be placed behind the analyser.
It is equipped with a mechanism for bringing the model
into focus and with an adjustable mirror which permits
projection on a screen placed beyond the bench.
A CONTROL BOARD (fig. 5), installed next to the
drawing board, groups all the levers and signals aimed
at remote control and at controlling the various operations
necessary to the functioning of the apparatus, i. e. the
lighting, adjustement and placing of the sources, the
transition from investigation in polarised rectilinear light
(tracing out of isoclines ? quarter waveplates not used)
to investigation in circular polarised light (tracing out of
isochromes ? quarter waveplates in use), finding the
working azimuth.
The grouping of all the controls allows a greater
efficiency because of the time saved, and, the versatility
of the installation permits the operator to work in per-
fect comfort.
Dimensions : 4,50 m. X 1,30 m. X 1,80 m.
Weight : 360 kg.
k ?
k, al o? 4?1
N
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[1,110TORASTICI METRE
AUTOCOLLIMATEUR KAMMERER
(Mahe)
L'etude d'un modele reduit d'un ouvrage d'art par
parties independantes les unes des autres exige l'emploi
d'un bane de photoelasticite par reflexion de la lumiere
sur un miroir situe derriere le point etudie de maniere
qu'elle ne traverse pas les autres parties du modele.
Par ailleurs. la double traversee du modelle multiplie
par deux l'ef f et photoelastique relatif a une epaisseur
donnee du materiau. Il en resulte une augmentation
de la precision de mesures et la possibilite d'utiliser des
materiaux faiblement plaitoelastiques.
Le photoelasticimetre autocollimateur KAMMERER se
presente sous in forme d'un cot ire en aluminium pouvant
tourillonner dans. deux equerres fixees sur un socle, lequel
repose sur deux pointes et une vis calante ce qui permet
de l'orienter. ?
L'instrument comporte les organes ci-dessous decrits
dans l'ordre de propagation de la lumiere :
La source lumineuse, enfermee dans un carter, est soit
une lampe a incandescence, soit une lampe a vapeur de
mercure. Le faisceau lumineux issu de la source se pola-
rise rectilignement par reflexion sous incidence brews-
terienne sur une glace sans tam.
L'orientation de ce polariseur etant fixe, l'operateur fait
varier l'azimut du plan de polarisation en tournant l'en-
Mah6
PHOTOELASTICIMETER
KAMMERER AUTOCOLLIMATOR
PHOTOELASTICIMETER (Mahe)
The study of a scale model of a construction in its
individual parts requires the use of a reflection photo-
elastic bench, so that a mirror placed behind the point
to be studied reflects in such a way that it does not reach
the other parts of the model. In addition, the double
crossing of the model doubles the photoelastic effect
relative to a given thickness of the material. This results
in more accurate measurement and the possibility of
using materials which are only slightly photoelastic.
The Kammerer autocollimator photoelasticimeter is in
the form of an aluminium box which can be pivoted on
two brackets fixed to a plate based on two points and
a wedged screw which allows its adjustment.
The instrument consists of the following parts listed in
the order of distance from the light source :
The light source, enclosed in a lantern, is either an
incandescent lamp or a mercury vapour one. The light
rays issuing from the source are polarised rectilinearly,
by Brewsterian reflection on as glass plate.
The direction of this polariser being fixed, the ope-
rator varies the azimuth-of polarisation by turning the
8
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co"
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AUTOCOLLIMATEUR - ENCOMBREMENT REDUIT
OBSERVATION PAR PROJECTION SUR ECRAN
semble de l'instrument autour de son axe. La valeur de
cet azimut est reperee sur un cercle divise en degres.
Une lame quart donde amovible peut etre interposee
sur le trajet lumineux. La position de cette lame est fixee
de telle sorte que ses lignes neutres soient orientees a 45?
de la vibration rectiligne incidente. La vibration emergente
est donc, lorsque la lame quart donde est en place, circu-
lairement polarisee.
Le faisceau lumineux se reflechit sur un miroir plan alu-
minie, monte a raide dun dispositif a rotule sur un support
independant du photoelasticimetre proprement dit. La
thilexion a lieu sous incidence normale, ce qui ne
modifie en rien l'otat de polarisation de la lumiere.
Le modele en examen s'installe en avant et le plus pres
possible du miroir.
Apres reflexion le faisceau traverse la lame quart donde
de nouveau, puis la glace sans tam n faisant office de pola-
riseur. La double traversee de la lame quart d'onde a le
meme ef f et que la traversee d'une lame demi-onde. On
neutralise cette lame demi-onde en interposant sur le
trajet une lame demi-onde reelle (examen en lumiere
circulaire). Par ailleurs la traversee de la glace sans tamn
modifie l'etat de polarisation de la lumiere. On supprime
les alterations resultantes par la traversee d'une lame
compensatrice orientee de maniere a avoir son plan d'in-
?cidence perpendiculaire au plan d'incidence de la lame
polariseur. .
L'analyseur est constitue par une lame polaroid qu'une
bague moletee solidaire d'un tambour divise en 200 par-
ties, permet de faire tourner dans son plan. On peut ainsi
lire directement les birefringences (Methode Gonio-
metrique TARDY). L'image agrandie du modele doit etre
projet6e, a l'aide dun objectif coulissant dans une four-
rure, sur un ecran situe a quelques metres de l'instrument.
Dimensions : 0,70 X 0,90 X 0,35 m.
Poids : 25 kg.
JOBIN YVON
AUTOCOLLIMATOR - REDUCED BULK - OBSERVATION
BY MEANS OF PROJECTION ON A SCREEN
whole instrument on its axis. The value of this azimuth is
marked on a circle divided in degrees.
A removable quarter waveplate can be interposed in
the light path. Its position is fixed in such a way that
neutral lines may be directed at 45 degrees of the inci-
dental rectilinear vibration. When this plate is in place,
the emergent ray is polarized circularly.
Light rays are reflected on a plane mirror mounted, by
means of a ball and socket device, on a support indepen-
dant of the photoelasticimeter itself. The reflection
takes place with normal incidence, which does not
at all modify the polarisation state of the light.
The model to be examined is placed in front of and as
close as possible to the mirror.
After reflection, the beam passes through the quarter
waveplate once more, and the glass plate acting as pola-
riser. The double crossing of the quarter waveplate has
the same effect as the single crossing of a half waveplate.
This half waveplate effect is neutralised by interposing
in the path a true half waveplate (examination in circular
light). In addition, the crossing of the glass plate modifies
the state of light polarisation. The resulting alterations
are eliminated by the crossing of a compensating plate so
adjusted that its plan of incidence is perpendicular to that
of the polarising plate.
The analyser consists of a polaroid sheet which a screw
threaded ring connected to a drum divided into 200 parts
permits to turn on its axis. Therefore double refractions
can be directly read by the TARDY Goniometric method.
The enlarged image of the model can be projected with
the aid of a sliding objective onto a screen placed at a
few meters from the instrument.
Dimensions : 0.70 X 0,40 X 0,35 m.
Weight : 25 kg.
26, Rue Berthollet, ARCUEIL (Seine) FRANCE ? Tel. PEL. : 05-30
N. 15
3.000 - 1-63
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Declassified in Part - Sanitized Copy Approved for Release 2013/12/13: CIA-RDP80-00247A001700960001-6
11 3, Bd St-Germain, PARIS-6 6 - ODE 91-46
30, Rue du Plat, LYON-2 * - T?: 42-42-65
BIOPHOTOMETRE ENREGISTREUR
THE AUTOMATIC BIOPHOTOMETER
BONET-MAURY & JOUAN
Enregistrement continu pour six cuves
PRINCIPE
Cet appareil, entierement automa-
tique, est destine a enregistrer revo-
lution dans le temps de la densite
optique de liquides clairs ou troubles
et, notamment, de milieux de culture.
B. 035 Bi
Continuous recording on six samples
GENERAL FEATURES
This apparatus which is fully auto-
matic, is designed for determining the
changes with time in the optical density
of clear or turbid liquids, and notably
of culture media.
Declassified in Part - Sanitized Copy Approved for Release 2013/12/13: CIA-RDP80-00247A001700960001-6
- Declassified in Part - Sanitized Copy Approved for Release 2013/12/13: CIA-RDP80-00247A001700960001-6
USAGE
Etude de revolution d'un corps pour re-
chercher une espece.
Etude de l'evolution de croissance bacte-
rienne.
Etude de l'action des ontibiotiques.
Etude de revolution d'une couleur.
DESCRIPTION
PHOTOMETRE
L'ensemble photometrique est place dans
une enceinte thermostatique controlee par un
regulateur de temperature bi,metallique
cadran et voyant lumineux, reglable de 100
au-dessus de la temperature ambiante jusqu'a
45. Precision de reglage de l'ordre de ? 0,2?.
Possibilite de placer sous le couvercle tin
serpentin de circulation d'eau ou de saumure
pour des temperatures egales ou inferieures
o l'ambiante.
Le faisceau 'lumineux correspondant
cheque cuve peut etre diaphragme par un
regulateur independent.
_ Pour travoiller dans des intervalles de Ion-
gueurs d'ondes donnes, des filtres.peuvent etre
interposes devant la cuve dans des emplace-
ments prevus pour ougmenter la sensibilite.
En cos de solution peu coloree, des filtres peu-
vent etre interposes entre cuve et cellule pour
diminuer l'intensite du flux lumineux.
Deux epaisseurs de cuves sont prevues :
cuve standard de 30 mm pour milieux
peu absorbents.
? cuve de 10 mm pour milieux tres absor-
bents allant jusqu'a une densite optique de
1,50 2.
Cheque cuve est constituee par un cylindre
de verre Pyrex horizontal limite par 2 faces
paralleles soudees. Leur capacite utile est de
8 cc.
Le contact avec l'air est obtenu par une
tubulure verticale qui permet en meme ?temps
le remplissage et lo yidange.
A rinterieur de chocune d'elles se trouve
un barreou metallique enrobe de verre Pyrex,
anime mognetiquement d'un mouvement de
va-et-vient 0 vitesse et amplitude reglables.
?
APPLICATIONS
The study of different species in a mixture.
The variation of bacterial growth.
The assessment of antibiotic action.
The development of colour.
DESCRIPTION
THE PHOTOMETER
This unit is thermostatically controlled
(7..t.- 0,2" 0 from 12? C above room temperature
tb 45" C by a bimetallic regulator with dial and
heating lamp. A coil for fluid circulation
may be fixed beneath the cover. Water or
brine circulating in this coil then enables the
instrument to be used at room temperature or
below.
Six light beams, from a single light source
in the centre of the sample chamber, pass
simultaneously through six control diaphragms
and six samples, and strike six selenium pho-
tocells.
Various interference filters can be placed
between the samples and the light source, in
order to operate at specific wavelengths.
Absorbing filters can be arranged between
weakly absorbing samples and the photocell
so as to decrease the light intensity.
Sample cells of two different lengths are
available:
30 mm for weakly absorbing samples,
10 mm for highly absorbing samples, up to
an optical density as large as 2.
These cells (9 or 10 ml. capacity) are hori-
zontal cylinders of Pyrex gloss, closed at each
end by flat parallel glass plates. A vertical
tube on each cell facilitates filling and empty-
ing. The sample in the cell is agitated by Te-
flon coated, glass covered iron shaking pieces
which are actuated backwords and forwards by
means of a magnetic device, the extent and
frequency of the movement being adjustable.
Declassified in Part - Sanitized Copy Approved for Release 2013/12/13: CIA-RDP80-00247A001700960001-6
Declassified in Part - Sanitized Copy Approved for Release 2013/12/13: CIA-RDP80-00247A001700960001-6
ENREGISTREUR
Le galvanometre enregistreur a 6 courbes
se commute automatiquement toutes les 20
secondes sur chacun des six faisceaux, succes-
sivement. So courbe correspondant a chaque
faisceaux traduit en pourcentage transmission
la variation d'opacite de ? la substance interne
dans la cuve correspondante.
Le galvanometre a 6 courbes est encastre
dans le panneau de commande de la boite
d'alimentation.
La vitesse de deroulement du papier est
constante 20 mm/h et 60 mm/h, elle permet
un enregistrement pendant 30 jours. (Autres
vitesses sur demande).
ALIMENTATION
L'alimentation stabilisee sur secteur alter-
natif 50 periodes compense les variations de
tension et de frequence, d'oCA stabilite absolue
dans le temps.
Elle est reliee a l'enceinte thermostatee par
un cable multiple souple sous gaine plastique.
Elle comprend un tableau des differentes
commandes, a savoir :
- commande de la source lumineuse par
interrupteur general ;
? commande de regulation du chauffage
et controle par voyant ;
? commande de l'agitation magnetique
avec bouton de reglage pour l'amplitude ;
? interrupteur de l'enregistreur pour le
reg loge initial du, golvanometre.
MODE D'EMPLOI
1. Mise en temperature ? 1/4 d'heure
pour monter de 17 a 370 et reglage par la mo-
lette du regulateur (lampe neon de cOntrole
Thermornetre de verification).
2. Mise en route de ['agitation magnetique,
mise en place des cuves munies de leur bar-
reau et remplies du liquide a examiner dans-le
Biophotometre.
L'enregistreur etant place sur le n? 1 (courbe
n? 1 bleue, cuve n" 1 correspondante) a l'aide
de la molette commandant le diaphragme de
cette cuve, cimener l'aiguille du galvanometre
sur la division 100.
THE RECORDER
The recording galvanometer registers every
20 secs. successively on each of the six chan-
nels. Thus six curves are recorded in terms
of percentage transmission against time. The
chart moves at 60 or 20 mm per hour (other
speeds can be provided on request). At the
lower speed one chart will suffice for conti-
nuous recording over a period of 30 days.
The recorder is encased in the front panel
of the power supply unit.
THE POWER SUPPLY
The power supply unit gives stabilized vol-
tage and frequency with an alternating current
of 50 cycles. It is connected to the sample
chamber by means of plastic covered multi-
cable.
All operating elements are arranged on the
front panel of the unit; these elements com-
prise: the switch for the light source, the regu-
lators for temperature control and for the ma-
gnetic Shakers, and the recorder switch (the
latter being necessary for checking the zero
on each channel-see below).
DIRECTIONS FOR USE
1. Set the temperature regulator to)the re-
quired temperature bji means of the thumb
screw and start the heating of the sample
chamber. A definite period must be allowed
for the temperature to reach the required va-
lue; for example, for heating from 17" to 37? C
1/4 hour is necessary. The actual tempera-
ture is shown on a thermometer.
2. Place the cells containing the liquids
(and the shaking bars) into position; then
switch on and adjust the automatic shaking.
Zero the recorder in the following manner.
With the recorder adjusted to channel No. 1
(blue curve) bring the galvanometer needle on
to the 100 mark of the scale, by means of the
thumb screw controlling the slit of this
channel.
? Declassified in Part - Sanitized Copy Approved for Release 2013/12/13: CIA-RDP80-00247A001700960001-6
Declassified in Part - Sanitized Copy Approved for Release 2013/12/13: CIA-RDP80-00247A001700960001-6
3. Abaisser l'interrupteur de l'enregistreur
jusqu'a l'apparition du n" 2 (courbe n? 2
rouge, cuve n. 2 correspondante) et 6 l'aide
de la molette commandant le diaphragnne de
cette cuve,annener l'aiguille du galvanometre
sur la division 100. Ainsi de suite usqu'a la
cuve n? 6, puis laisser abaisser l'interrupteur
de l'enregistreur. La commutation devient au-
tomatique. Le reglage initial est termine. L'en-
semble de l'appareil peut ainsi fonctionner
sans interruption pendant des temps allant de
quelques heures a plusieurs jours suivant les
besoins de la mesure.
A la fin de l'experience, ouvrir la porte de
l'enregistreur et recueillir la bande portant
l'enregistremeht simultane des six courbes.
3. Next switch on the recorder until channel
2 is in the measuring position, and switch off
immediately. Then regulate the needle posi-
tion as for channel 1. Proceed in the same
manner with the iemaining channels. Finally,
switch on the recorder for continuous test re-
cording, wich can last for several hours or
days, as required.
At the end of the test, switch off the whole
unit and remove the recording chart bearing
the six curves.
SCHEMA DE PRINCIPE DE L'APPAREIL DIAGRAM OF THE SAMPLE .CHAMBER
?althlla
11111111111 till
Arirai
MMEMMI 111
IZ/11///l////,,MMIMITM/17/
0 0 0 0 0 0 0
1 Lampe neon du regulateur.
2 Regulateur de temperature.
3 Boitier de cellule amovible.
4 Filtre selecteur amovible.
5 Cuve de 10 mm avec bille d'agitation.
6 Diaphragme reglable.
7 Condensateur optique. ?
8 Lampe 6 filament ramasse.
9 Bloc d'agitation magnetique.
10 Cuve de 30 mm avec barreau d'agitation.
11 Systeme nephelemetrique incorpore.
12 Cellule de mesure a couche d'arret.
13 Molette exterieure de reglage du dia-
phragme (6).
1 Neon lamp for temperature control.
2 Temperature control unit.
3 Removable photocell.
4 Removable filter.
5 Standard sample cell, 101 mm long, with
shaking bar.
6 Regulating iris diaphragme.
7 Condenser lens.
8 Light source with point filament.
9 Magnetic shaking unit.
10 30 mm sample cell with shaking bar.
11 Incorporated nephelonnetric system.
12 Selenium photocell.
13 Thumb screw for light intensity control (6).
Declassified in Part - Sanitized Copy Approved for Release 2013/12/13: CIA-RDP80-00247A001700960001-6
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Declassified in part - Sanitized Copy Approved for Release 2013/12/13: CIA-RDP80-00247A001700960001-6
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