RHAN-503ATC is an upgraded version of RHA-503ATC with an additional features of BUILT-IN CALIBRATION KNOB, has much LIGHTER WEIGHT, and LONGER
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.
Also, it is added a scale for measuring the the freezing point of windshield cleaning fluid.
The RHAN-503ATC has Automatic Temperature Compensation System.
Resolution Factor: 5°C,5°C,5°C,0.01sg
(ATC) Temperature Compensation Range:10°C--30°C