John Guest HM In-Line Dual TDS Meter has excellent quality dual TDS meter that measures the total dissolved solids of your tap water coming in versus the water going out of your drinking system. It is quick, simple, and easy to install.
- 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