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Your cart is empty.HM Digital SM-1 In-Line Single TDS Monitor, 1/4" Tee, SM1 FEATURES Displays TDS level of a single water line. Highly efficient and accurate due to its advanced microprocessor technology. Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use. Wide Range 0-9990 ppm (From 0 - 999 ppm the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking 'x10' image.) Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver. Comes equipped with John Guest Quick-Connect T-fitting (1/4 inch standard). Installs quickly and easily. NEW PRODUCT!
John P.
2025-08-21 12:41:01
Great for continuous monitoring water quality of product water on watermarked on sailboat
BD
2025-01-05 18:03:42
Meter does not fit into Tee. Meter was 43% off. TDS is 7 based off 4 other meters, this measure 10Company responded in email, wanted to see your receipt first, must be if they provide support.Device should be fairly accurate out of the box bit what can you expect for this price. Will use hand meters, too important to get this wrong (this is used in a desalination RO system on a boat)
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