Single Inline TDS meter SM-1
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" GA Murdock Quick Connect Tee with double o-rings to ensure a proper seal. As with all HM-Digital products, the SM-1 comes factory calibrated.