SX713 Portable Conductivity/TDS/Salinity/Resistivity Meter: 1.Auto calibration 2.Auto temp. compensation ... Meter/ Turbidity Analyser Introduction SX713 Portable Conductivity/TDS/Salinity/Resistivity Meter Portable Turbidity meter , widely Applied in bottled water ... .•Ability to switch among Conductivity, TDS, Salinity and Resistivity.6. Advanced dissolved Oxygen measurement mode•DO500 Dissolved Oxygen ...