Measure the untreated water coming in vs. The purified water going out of your reverse osmosis system at any time. This is important in determining when the RO membranes need to be changed. Auto-off function conserves battery power. The unit shuts off automatically after 20 S. 90 ppm, The resolution is in 10 ppm increments, indicated by a blinking 'x10' Image. Factory calibrated: all meters are calibrated with a 342 ppm Nalco solution. Meters can be recalibrated. Comes equipped with a 1/2" Inlet & 3/8" Outlet. Quick connect t-fittings for merlin-garden Pro or tall blue-merlin for quick install.

No Assembly Required. Features an auto-off function to conserve battery power. Comes equipped with a 1/2" inlet and 3/8th inch outlet. Measures the flow of untreated water coming in versus purified water going out.

Is Discontinued By Manufacturer: No. Best Sellers Rank: #298,303 in Pet Supplies. Customer Reviews: 5.0 out of 5 stars 2 ratings 5.0 out of 5 stars. Item model number: HLTDS. Country of Origin: USA. : B00ZFUAHZ8. Manufacturer: Hydro-Logic. Item Weight: 2.38 pounds. Product Dimensions: 7.2 x 5.1 x 1.7 inches.