HM Digital TDS-3 Handheld TDS Meter with Carrying Case – 0–9990 ppm, ATC, Thermometer 810666003310 (Shuts off automatically after 10

(Shuts off automatically after 10 minutes of non-use)

"I run this unit 24/7 and have not had any problems for the past two months

then discard it

Temperature accuracy is +/-2%

FDA-approved high-impact polypropylene

HM Digital TDS-3 Handheld TDS Meter with Carrying Case – 0–9990 ppm, ATC, Thermometer 810666003310 (Shuts off automatically after 10HM Digital TDS 3 Handheld TDS Meter with Carrying Case Monitor water purity anywhere with the HM Digital TDS 3 a professional grade, pocket sized Total Dissolved Solids (TDS) meter trusted for water purification, hydroponics, aquaculture, reverse osmosis (RO) system verification, colloidal silver production, pool & spa testing, and wastewater regulation. Powered by advanced microprocessor technology, the TDS 3 delivers fast, accurate ppm readings with