The RHA-301A model handheld antifreeze and Battery acid refractometer measures the freezing temperature (in ℃) of ethylene glycol or propylene glycol based automobile antifreeze, and the specific gravity (SG) of battery acid. The specifications of which are listed in the table below.
This model is commonly used in automotive maintenance and battery servicing.
The instrument body is made of copper material to maximize measurement accuracy and durability.
This model has Automatic Temperature Compensation (ATC). Models without ATC are also available at a lower cost.
Measurement Specifications
Scale(s)
Measurement Range
Resolution
Accuracy
Ethylene
-50℃ to 0℃
5℃
±5℃
Propylene
-50℃ to 0℃
5℃
±5℃
Battery Fluid
1.150 to 1.300 SG
0.01SG
±0.01SG
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