HM Digital PM-2 External In-Line TDS Purity Monitor - Alarm Alert with Display 891144000045 food producers and many other

food producers and many other applications

The fully adjustable relay control is set by the user to automatically stop a pump or valve if the level rises above the setting

but they serve different households:

Brand: HM Digital

HM Digital PM-2 External In-Line TDS Purity Monitor - Alarm Alert with Display 891144000045 food producers and many otherAn ideal monitor alert for water coolers and other enclosed water purification systems. Alerts a user when the filtration system requires service. FEATURES External single line internal TDS monitor that is ideal for most water purification systems. Includes a light and optional alarm that alerts the user service is required when the TDS level reaches the pre programmed set point. User defined set points (any even number between 2 and 200).