Sell ▦❒3 in 1 TDS Tester / Conductivity Meter / Thermometer Temperature Measuring Tool Pen Type EC Meter best price

This is a digital TDS meter tester to test the filter water quality purity,to check the performance of your water filter, to check for hardness (1grain=17ppm),to make sure you always drink pure water.Saves measurements for convenient reading and recording New ArrivalAuto-off function: turns off meter after 5 minutes of non-use to conserve batteriesAutomatic temperature compensationShift between TDS and ConductivityCan be used in : Water purifiers and filters, food(vegetable , fruit)&drinkqualitymonitoring, pools and spas, aquarium, hydroponics