Digital refractometer for 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.
REF220 salinity0 to 28%
Measuring Range:0 to 28% salinity
1.3330 to 1.3903 Nd
Temperature Measurement Range:0 to 40 Centigrade(32 to 104 Fahrenheit)
Operation Temperature : 0 to 35 Centigrade(32 to 90 Fahrenheit)
Power Supply :9V battery
Alarm of low voltage