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Quick Details
Specifications
REF220 digital refractometer 0 to 28% salinity
This model is used for measuring salinity of solution such as sea water,physiological
saline solution and refractive index of measured solution .
Note:All crystal display pannels of the series products are of blue color.
Measuring Range:0 to 28% salinity
1.3330 to 1.3903 Nd
Accuracy: +/-0.1% salinity
+/-0.00015 Nd
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