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OTR Series

The models have only one unit system: °F. With the indication of the temperature we may know the freezing point of either ethylene glycol or propylene glycol based cooling systems.It can be used for checking the strength of electrolyte solution batteries. The RHA-300ATC has Automatic Temperature Compensation System.
Measuring Range:
Ethylene Glycol:-50°F-32°F
Propylene Glycol:-60°F-32°F
Battery Fluids:1.15-1.30sg
Resolution Factor: 10°F, 10°F, 0.01sg
(ATC) Temperature Compensation Range: 10°C--30°C