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weight scale. Calibration is made with disti-
lled water.
Rango: 0 - 10‰ Sal
1000-1070 g/mL
Precisión: 1 ‰
0.001 g/mL
Medidas: 27x40x190 mm
Model 50302110
It presents the same specifications as the
previous model but with Automatic Tempe-
rature Compensation (10-30º C)
Model 50302020
It is used to measure salt concentration in
water, oceanography, aquariums, fishing
grounds, etc. Calibration is made with disti-
lled water.
Rango: 0 - 28% Sal
Precisión: 0.2 %
Medidas: 27x40x160 mm
Model 50302120
It presents the same specifications as the
previous model but with Automatic Tempe-
rature Compensation (10-30º C)
Model 50302130
High resolution model, designed for low
concentration of Brix measures and salt con-
centration. With ATC.
Scale:
0 - 100‰ Sal
0 - 10% Brix
1000-1070 g/mL
Accuracy: 1 ‰
0.1 %
0.001 g/mL
Size: 27x40x160 mm
Clinical refractometers
Model 50303020
This model is provided with three different
scales for serum proteins, urine specific gra-
vity and refractive index. The calibration is
made with distilled water and the boundary
Pag. 28
Manual 50100xxx
takes, these instruments present the following
features:
scale properly.
what allows an easier and more reliable rea-
ding, and at the same time it saves time.
ring through the eyepiece during measure-
ments, and increases the luminosity of the scale
and the boundary line.
fluenced by temperature changes. This rubber
grip avoids the user's body heat to be transmit-
ted to the sample.
instrument.
adjust the diopter ring (1.11) until the scale is
focused.
the light chromaticism until a Sharp and focu-
sed boundary line between dark and light
zones is observed.
ment is calibrated in origin.
surface with a soft fluff-free cloth and put one
or two drops of the sample to be analyzed.
Close the cover, press it slightly and read the re-
sult (refractive index or %Brix depending on the
model) by looking through the eyepiece.
scale selector (1.8).
sample with a soft cloth and wipe the prism.
Brix degrees into refractive index value, and to
correct the efect of temperature on readings.
Version 8 Jan-2015
Manual 50100xxx
To make use easier and avoid Reading mis-
- Diopter adjustment ring (1.5), to focus the
-High contrast of boundary line (white/blue),
- Rubber hood: it prevents light from ente-
- Rubber grip (1.4): Measuring results are in-
- Scale adjustment ring (1.3), to calibrate the
Universal refractometer
Direct the prism towards a bright light and
By turning the polarization ring (1.9), remove
Adjust the light inlet (1.7)
Calibration is not necessary since the equip-
Open the cover plate (1.10), clean the prism
Select the most adequate scale by turning the
Once measurement has finished, remove the
Use the attached charts (annexes) to convert
Version 8 Jan-2015
Pag. 37
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