HM Digital

HM digital Dual Inline TDS meter The Dual TDS meter offers an easy and convenient way of monitoring the performance of your RO or RO/DI unit. It allows you to quickly check the quality of the inlet and outlet water...

HM Digital tds meter TRM-1 Triple In-Line TDS Monitor Measure the tap water coming in vs. the purified water going out of your system at any time. Use the monitor to determine when the filters need to be changed. Install...