5-in-1 TDS/EC/Temperature/Salinity/Water Quality Tester.
This digital salinity tester is ideal for aquariums, field use, and industrial applications. It features a wide salinity range (0-200 PPT or 0.0-25%), IP67 waterproof rating, automatic temperature compensation (ATC), and measures salinity in natural and artificial seawater. Results are displayed on an LCD screen within seconds. Offers both ppm/ppt and % salinity modes, as well as one-tap switching to TDS/EC measurement.