... and temperature value Characteristicsl It can be used to measure conductivity, TDS, salinity and temperature.l Automatic temperature compensation, automatic calibration, ... measurement data.l With calibration function, electrode constant and TDS transfer coefficient can be calibrated.l With RS-232 ... supply: 4 pieces of No.5 batteries 1 Measurement range:Conductivity: 0.00-1.999´105 mS/cmTDS: 0.00 ...