... , Dissolved Oxygen and Temperature Measuring Parameters: pH, mV, ion concentration, conductivity, resistivity, TDS, salinity, Dissolved Oxygen and ... 0 to 1999.9mVResolution0.1mVAccuracy±0.03% FS Ion Concentration:Measuring range0.00 to 14.00pXDisplay unitpX ... date and timePowerDC9V/300mACommunication connectorRS-232Size and weight160 x 190 x 70mm/880gQuality and safety certificationISO9001:2000, CE ...