1. This meter can not only detect the salt content of edible salt, saltwater pool and koi fish pond, but also the salinity of seawater, sea and saltwater fish tanks. 2. The multi-parameter tester can test salinity, TDS, EC and temperature accurately, quickly and reliably for testing most regular water solutions. 3. IP67 dustproof water quality tester, temperature measurement, with data hold function to freeze the desired value. 4. High performance, portable human mechanical design, fast measurement, high stability, good consistency. 5. Compact size, lightweight, built-in temperature sensor, ATC (automatic temperature compensation), intelligent function, high accuracy.