This Heavu Duty lighted model is a salt concentration refractometer with a special scale. It has a built-in automatic temperature compensation system, for accurate measurements without recalibration.

Measuring Range:
0 - 32% Salinity

Resolution Factor:
0.1% Brix

Compensation Temperature Range:
10 degree C - 30 degree C

Accuracy:
+/- 1.0 PPT
+/- 0.001 SG

Package Contains:
1 Salinity Refractometer, Model # RHS-10ATC
3 pc batteries 1 pc of pipette for dropping test fluids onto the prism
1 mini screw driver for scale calibration
1 User Guide
Comes with the Soft Case