"HI99300 and HI99301 meters are equipped with a multifunction probe that can be used to measure conductivity, TDS (total dissolved solids) and temperature. Dual display, conductivity or TDS with temperature. Meter indicates the battery charge level. When battery power is low the BEPS function switches off the meter to ensure reliable readings. Calibration to 1 single point. Measurements are adjusted automatically in the event of temperature variation. User selects EC \/ TDS conversion factor. Product package contents:. The meter is supplied with probe HI76306 and equipped with a one meter cable. Batteries, carry case and operating instructions.Maximum Conductivity = 20mS\/cmMinimum Conductivity = 0mS\/cmBest Accuracy = ±2 %Resolution = 0.01 mS\/cmBattery Type = AAABattery Life = 500 hPower Source = BatteryDimensions = 143 x 80 x 38mmWeight = 320gHeight = 38mm"