HM Digital DM-3: In-Line TDS Meter diresin this system is perfect for

this system is perfect for small spaces like a bar

Replacement Filter Pack (every 6-12 months) : TYPHOON FILTER PACK

* Displays TDS levels of the three sensing points with electrode probes

That is right if something is wrong you get a warning signal

HM Digital DM-3: In-Line TDS Meter diresin this system is perfect forHM Digital DM 3: Commercial In Line TDS Meter This In Line Dual TDS Monitor is highly efficient and accurate due to its advanced microprocessor technology. Displays TDS levels of the Feed Water and Product Water with electrode probes. Install on industrial systems such as a car washes, window washing, manufacturing, and food processing. This model features digital calibration, low batter indicator, improved accuracy, longer batter life (2 years),