IN Line TDS Meter with Tee quick connect fittings
Detection range is 0-999 ppm, sensitivity is 1 ppm, accuracy is + - 2%. Over 80% removal rate the indicator shows green flash, less than 80% show red flash.

Installation and Operation Select 2 points in water system for installing the inlet / outlet tee connectors. Press button to measure the TDS values of both inlet and outlet water. To repeat measurement press again. Reef keepers should select post membrane (pure) as inlet and post DI as outlet. Residential users should use tap water (inlet) and post membrane (pure) as outlet. Systems should be running making water prior to testing.

IN Line TDS/EC Meter
with Tee quick connect fittings

Detection range is 0-999 ppm, sensitivity is 1ppm, accuracy is + - 2%. Over 80% removal rate the indicator shows green flash, less than 80% show red flash