The models have only one unit system: C.  With the indication of the percentage we may know the freezing point of either ethylene glycol or propylene glycol based cooling systems. And  they can also be used to test the concentration of ethylene glycol or propylene glycol in antifreeze liquids. The RHA-200ATC has Automatic Temperature Compensation System. 



Measuring range:

Ethylene Glycol:   -60C-0C  0-66.6%VOL 
Propylene Glycol:  -50C-0C 0-62.4%VOL 
Battery Fluids: 1.100-1.400sg
Ethylene Glycol: 5C
Propylene Glycol: 5C
Battery: 0.01sg


Compensation temperature range: 10C-30C

Calibration: zero calibration with water at 20C

ATC = (Automatic Temperature Compensation) for accurate measurements without recalibration after shifts in ambient working temperature.

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Huake Instrument Co., Ltd

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