... salinity, Dissolved Oxygen and Temperature Measuring Parameters: pH, mV, ion concentration, conductivity, resistivity, TDS, salinity, Dissolved Oxygen and Temperature ... mode has automatic compensation for temperature, salinity and air pressure.3. pH measure mode for high purified ... automatic)Salinity compensation range(0 to 45) ppt(automatic)Air pressure compensation range(80 to 105) kPa(automatic) ...