It is a precision optical instrument used for measuring engine coolant, automotive glass water and battery liquid.

Feature:

It is a precision optical instrument with temperature compensation used for measuring freezing poin of engine coolant, quality of automotive glass water and gravity of battery liquid, especially for ethylene glycol coolant and leeded acid battery liquid.

Technical Data:

Measuring Item	range	Division scale	Accuricy
Engine Coolant	0 °c  —  -30°c	5°c	±2.5°c
Gravity of Battery Liquid	1.10—1.40	0.01	0.01

Refractometer