Salinity Refractometer, Salinity Measuring Tool for Seawater Aquarium Tank, Marine Market, Dual Scale (1.0 to 1.070 S.g/0-100ppt Salt)

1. Measures salt water or water salinity, ideal for seawater aquarium tanks, marine markets and marine monitoring2. Salinity measurement range: 0-100 PPT with 1ppt resolution; Salinity Proportion (D 20/20)(D 20/20): 1.000 ~ 1.070 with a resolution of 0.001 3. Easy to use: place 2 to 3 drops of sample on the main prism, close the plate, and look through the eyepiece for a Brix reading. 4. Versatile refractometer with automatic temperature compensation (10℃ ~ 30℃). The calibration screw (calibrate to 0) ensures accurate measurement, and the focus adjustment ensures a clear reading. 5. Portable refractometer: robust design, compact size, and lightweight, with a plastic case for convenient storage and transport.