About this product

【AUTOUTLET Salinity Refractometer】This salinity tester is used to measure salinity of brine/seawater, monitor and control the concentration of saltwater. Ideal for aquariums and marine applications.

【Measures on 2 Scales】This saltwater hydrometer measures on dual scales: specific gravity and salinity. Ideal for aquariums, marine monitoring, agriculture, gardening and educational purposes.

【Measurement Range】Density of 1.0-1.070 with min scale of 0.001. Concentration of 0-100‰, with min scale of 1‰ (1‰=1PPT=1000PPM, PPT means “parts per thousand”, PPM means “parts per million”)

【With ATC Function】ATC compensation Range (i.e. Built-in Automatic Temperature Compensation System) from 10℃ to 30℃.

【Solid and Lightweight】Salinity meter is made of durable aluminum, which is non-staining, non-corrosive and rustless. Also, it's compact in size with rubberized grip handle, very easy to carry.