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By certification 
Glycol refractometer to measure freezing point
This optical refractometer with three scales is designed for the measurement of coolants and antifreezes based on ethylene glycol and also for the measurement of battery fluid condition.
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Measurement
The liquid measurement is very easy. Place a few drops of the liquid on the optical part of the refractometer, cover the prism (the liquid will spread more easily over the prism), look throught the eyepiece against the light (focus, if necessary) and you will be able to read the result value on the scale.
General technical parameters
· reference temperature 20 Centigrade
· ATC - automatic temperature compensation (compensation range 0 ~ 30 Centigrade)
· focus possibility
· length ~ 175 mm
· quality technical design
Content and equipment
· a firm plastic case
· a refractometer
· a cleaning cloth
· a suction tube
· a screw driver
· operating instructions
