Salt Aquarium Salinity Refractometer, Salinity: 0-10% Density: 1000-1070 Aquarium Salinometer Water Salinity Meter RHS-10 atc for measuring seawater

Designed to test the concentration of salt in water and salt solution, ideal for aquarium, marine monitoring and quality control in research and clinical Laboratories Measurement range: salinity 0- 100‰; (0-10% Salt Content), Specific Gravity 1,000-1,070 SG,(Salinity +/-1‰; - Specific Gravity +/-0.001 SG) Easy to use. Place 2, 3 drops of sample on the main prism, close the plate and look through the window at the reading; CALIBRATION: zero calibration with water at 20°C, automatic temperature compensation between 10°C and 30°C (ATC) Sharp precision measurement dividing line (blue- white), easy to read (daylight visible), adjustable eyepiece for focus adjustment Calibration: zero calibration with distilled water at 20°C, automatic temperature compensation between 10°C and 30°C (ATC).