This model can be used for measuring the freezing point of either propylene or ethylene glycol based cooling systems.This refractometer has the scales for the freezing points of ethylene glycol and propylene glycol just like the Coolant Checkers. In addition to that, it has the scales for the concentration ( v/v ) of those coolants.


Measuring range:

Ethylene Glycol: -50C-0C 0 to 70% VOL

Propylene Glycol:  -50C-0C0 to 70% VOL      


Ethylene Glycol: 5C,5%VOL
Propylene Glycol: 5C,5%VOL


Calibration: zero calibration with water at 20C

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Huake Instrument Co., Ltd

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 A2401-A2402 Lirenfuzone,48 Baoan District,Shenzhen,China.

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