HM Digital DM-3 Commercial In-Line Dual TDS Monitor EC controller EC sensors are more robust

EC sensors are more robust but can still be affected by residue buildup

Quad-function probe measures pH

Auto-Off — Shuts off automatically after 10 minutes of non-use to conserve battery life

✅ Fluoride

Dimension: 3

HM Digital DM-3 Commercial In-Line Dual TDS Monitor EC controller EC sensors are more robustThe DM 3 is a commercial grade TDS monitor measuring TDS feed (input) water vs. product (output) water of a water filtration system at any time. DM 3 has a large backlit screen that you will be able to see the readings in dark environments. With its shielded cables and diagnostic messaging this robust device is ideal for Reverse Osmosis (RO), Deionized water (DI) filtration systems that work well in applications such as drinking or potable water,