Salinity Refractometer, Salinity Meter for Saltwater Aquariums, Marine Market, Dual Scale (1.0 to 1.070 Sg/0-100 ppt Salt)

1.Measuring salt water or salinity of water, ideal for marine aquariums, marine markets and marine monitoring2.Salinity measuring range: 0-100 PPT with 1ppt resolution; Salinity ratio (D 20/20) (D 20/20): 1.000~1.070 with 0.001 resolution3.Easy to use, add 2-3 drops of sample to the main prism, close the plate and observe through the eyepiece for Brix reading4. Versatile refractometer with automatic temperature compensation (10℃~30℃), calibration screw (calibration to 0) ensures accurate measurements and focus adjustment ensures precise, clear reading5.Portable refractometer, sturdy design, compact size and light weight, packed in a plastic case, convenient to store and carry