Premium Aquatics Salinity Refractometer

Premium Aquatics RHS-10ATC Salinity RefractometerUsed for Reef Tank Aquariums, Marine Habitats, Aquaculture and Environmental Experts!Product Specs* Ranges: 0-100 ppt of Salinity and 1.000 to 1.070 Specific Gravity* Accuracy: +/- 1 ppt / 0.001 Specific Gravity* Divisions: 1 ppt / 0.001 Specific Gravity* Automatic Temperature Compensation (ATC)* Sturdy design made of durable Aluminum, not "carbon" plastic, 3-Year Warranty* Included are: A Gray plastic hard case, a pipette for dropping test fluids onto the prism (never dip the refractometer into the test fluid!), a mini screwdriver for scale calibration, cotton wiping cloth and a Users Guide.--------------------------------------------------------------------------------NEW Premium Aquatics RHS-10ATC dual scale portable Salinity Refractometer in a Gray hard case. The RHS series of portable refractometers is designed to measure the salinity of sea water and saline solutions of similar concentration. One scale checks the Salinity levels wi