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The SM-1 Single Inline TDS Meter from HM Digital measures the TDS of a single water line. This is a great tool to monitor the TDS of your reverse osmosis system. Common monitoring locations include pre-system, post membrane or post DI stage. This unit features a digital display and comes with a 1/4" John Guest Quick Connect Tee. As with all HM-Digital products, the SM-1 comes factory calibrated.
- Will Shut Off After 10 Minutes of Non Use.
- Accurate from .000 to .999 TDS.