HM Digital DM 1 in Line Dual TDS Monitor, 0 9990 ppm Range, +/ 2% Readout Accuracy

The DM-1 helps you to measure the tap water coming in vs the purified water going out of your water filtration system at any time The In-Line Dual TDS Meter displays TDS levels of the feed water and product water with in and out electrode probes This TDS Monitor is highly efficient and accurate due to its advanced microprocessor technology Highly efficient and accurate due to its advanced microprocessor technology Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use Installs quickly and easily