Extech RF20 Portable Salinity Refractometer measures the concentration of dissolved salt in fluids. This portable salinity refractometer provides accurate and repeatable measurements on easy to read scale.
Compact size, easy to operate
Automatic Temperature Compensation (ATC) from 10 to 30°C
Provides accurate and repeatable measurements on easy to read scale
Requires only 2 or 3 drops of solution
The prism and lens with a simple focus adjustment
Complete with case, calibration screwdriver, plastic pipette and calibration solution
Specifications:
Extech RF20 Portable Salinity Refractometer
Type
Salt (ATC)
Range
0 to 100ppt (10 to 30°C); 1.000 to 1.070 Refractive Index
Resolution
0.001
Accuracy
±0.1°
Dimensions
7.6 x 1.5 x 1.5" (194 x 38 x 38mm)
Weight
8oz (227)
Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to 
