1. Special waterproof connector which four different electrodes(pH, ORP, Conductivity, TDS and Temperature ) can be plugged into and automatically recognized.
2. Waterproof, applied even under very difficult conditions.
3. Ability to set two special pH measurement models of high purity water and ammonia added purity water.
4. Adopts one common two-ring conductivity electrode(k=1), only one point calibration.
5. Automatic switches of range, automatic non-linear temperature compensation for high puriry water.
6. Ability to switch among Conductivity, TDS, Salinity and Resitivity.