Measure conductivity, salinity, TDS (total dissolved solids) and temperature all with one unit! This meter conveniently combines it all in one handheld device! The large LCD simultaneously shows conductivity, salinity or TDS in large digits with time, date and temperature (in °C or °F) on the lower display. Scroll 99 data points directly on the LCD with time stamps, min/max and average readings. Also features hold, manual or auto range and automatic temperature compensation.