AUS-R21A Salinity Refractometer

The AIS-R21A refractometer can measure the low concentration of salt in sea water and prepared food solution and check salt content.

This model has a built-in automatic temperature compensation ATC system. Compensation temperature range 10°C to 30°C.

Scale range : 0 to 100%
Minimum Scale : 0.1%
Accuracy : ±0.1%
ATC: 10-30°C