Measuring Range:Salinity: 0-10%
Refractive Index: 1.000-1.070
Salinity: 0.1%
Refractive Index: 0.001
(ATC) Temperature Compensation Range: 10°C--30°C
Power Require: 3 “AAA” Button Cell (1.5V*3)
Battery Life: More than 100hours
Light Source: White LED
Dimension: 27x40x180mm