... measuring value at the same interface. Support to measure pX/pH, mV, conductivity, TDS, salinity, resistivity, DO, saturation, DO currency and temp. value ... regulation, can print and store 200 sets for each of pH, conductivity, TDS, salinity and DO. Allow to store 6 kinds of ion ... % (FS)c). Ion concentration: ±0.5% ± 1 bitd). Conductivity: ±0.5% (FS) ± 1 bite). TDS: ±0.5% (FS) ± 1 bitf). Salinity: ±0 ...