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Quick Details
Specifications
REF420 digital refractometer for coolants,battery,cleaner
This model can be used for measuring the freezing point of either ethylene glycol or propylene based cooling systems and cleaner,it can be used for checking the strength of electrolyte solution batteries.
Note:All crystal display pannels of the series products are of red color.
Measuring Range:propylene glycol -95 to 0 Centigrade
ethylene glycol -70 to 0 Centigrade
batteries 1.000 to 1.510sg
cleaner -72 to 0 Centigrade
Accuracy: coolants +/- 0.2 Centigrade
+/-0.2 sg
cleaner +/-0.2 Centigrade
Operation temperature :0 to 40 Centigrade (32 to 104 Fahrenheit)
Storage temperature :10 to 50 Centigrade (14 to 122 Fahrenheit)
Power supply :1 battery (9V)
Alarm of low voltage
Automatic temperature compensation
Automatic shut off