PH Measuring Instrument with LCD Display Battery

 Professional Water Tester battery and case included! Ideal for water quality tests in water treatment plants, waste watercontrol, aquaculture, pools, spas etc.Model 3in1: TDS Meter, TDS EC Meter and temperature measuring device  The TDS- measuring device has an automatic temperaturecompensation in the measuring mode. Temperature changes in ameasuring range of 0-80° C will automatically be adapted. Auto-shutdown function: Device automatically switches off and sosaves energy if there has been no testing for longer than 9 minutes. 4 display modes: - TDS - ppm ° C - EC - µs / cm ° C - TDS - ppm ° F - EC - µs / cm ° F mode change by pressing the Shift button Automatic hold function for setting the measurement result large, easily readable LCD display practical size, fits into every pocket simple operation battery