Refractometer Sea Salinity Meter Salt Water Concentration 1000-1070SG Aquarium Handheld Mariculture Breeding Gravimeter 0~100% Refractometer Sea Salinity Meter Salt Water Concentration 1.000-1.070SG Aquarium Handheld Mariculture Breeding Gravimeter 0~100% This optical Brix & Salinity Refractometer is designed to measure seawater (marine aquaria) or very low concentrated salt solutions & low concentrated of sugar solutions as well as reading salt solution density. With this refractometer, you can: * Measure concentration of salt water & brine or salinity in water * Used for quality control in research, clinical laboratories, food & beverage industry * Have better management marine saltwater tank * Ensure pets are safe in your aquarium & water has exact level of salinity they need to survive & thrive in their typical marine environment * Maintain proper concentration of your cutting and grinding fluids & save your money! * Works w/ low sugar related food like tomato juice,tea,etc. Just few drops on testing prism, cover, look and read the result! COMMON FEATURES ON OUR REFRACTOMETERS: Auto Temperature Compensation (ATC) 10~30C,increase accuracy and eliminates concerns on temperature Easy to use & calibrate Cushioned with soft & comfortable non-slip rubberized grip, insulate test solution from body heat Adjustable focus & clearly defined scale, w/ large easy-to-read measurements Approved by strict quality and safety standards Measuring Range Salinity: 0-100 ppt Density: 1.000 to 1.070 g/cm3 Division Salinity: 1ppt Density: 0.001 g/cm3 Accuracy Salinity: 1ppt Density: 0.001 g/cm3 ATC: 10~30C Reference Temperature: 20C 1)1 x Refractometer 2) 1 x pipette 3)1x instruction manual 4)1x mini screw driver 5)1x cleaning cloth 6)1x plastic box _x000D_ _x000D_