HM Digital

HM Digital

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  1. HM Digital PH-200

    HM Digital PH-200: Waterproof pH Meter

    $79.95

    Ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee, agriculture and more.

    Learn More
  2. HM Digital COM-100

    HM Digital COM-100: Waterproof EC/TDS/Temp Combo Meter

    $59.95

    Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more.

    Learn More
  3. HM Digital FM-2 In-Line Dual TDS Monitor with 1/4" fittings

    HM Digital FM-2 In-Line Dual TDS Monitor with 1/4" fittings

    $42.95

    The Filter Monitor is an innovative system to alert when a filter needs to be changed via color-coded lights at the base of the faucet. The battery-powered FM-2 has five timers for a 5-stage system, as well as a water volumizer and programmable set-points and alarms for each function, all in a crisp, attractive housing. Learn More
  4. HM Digital DM-2 In-Line Dual TDS Monitor with 1/4" fittings

    HM Digital DM-2 In-Line Dual TDS Monitor with 1/4" fittings

    $45.50

    Install on industrial systems such as car washes, window washing, manufacturing, and food processing. UPGRADED APRIL 2012! The newly upgraded model features digital calibration, low battery indicator, improved accuracy, longer battery life (2 years), longer auto shut-off time (3 min), diagnostic error messaging, and shielded sensor cables. (Upgraded features below are in red.) Learn More
  5. HM Digital SM-1 In-Line Single TDS Monitor with 1/4" fittings

    HM Digital SM-1 In-Line Single TDS Monitor with 1/4" fittings

    $24.50

    Ideal for any water filtration system, including reverse osmosis systems, coolers and much more. Learn More
  6. HM Digital QC-1 Quick Check Monitor

    HM Digital QC-1 Quick Check Monitor

    $20.30

    Press the "Push-to-Check" button for an instant water quality check! Learn More
  7. HM Digital TM-1 Digital Thermometer

    HM Digital TM-1 Digital Thermometer

    $29.95

    For use in: All hot and cold fluids and/or solids Aquariums Kitchens and bakeries Hydroponics and aquaculture Freezers/coolers and heating systems Motors, generators and ventilations systems Academic, scientific and medical laboratories. Learn More
  8. HM Digital PH-80 pH/Temp Water Resistant HydroTester

    HM Digital PH-80 pH/Temp Water Resistant HydroTester

    $49.95

    The PH-80 is an economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Learn More
  9. HM Digital COM-80 EC/TDS/Temp Water Resistant HydroTester

    HM Digital COM-80 EC/TDS/Temp Water Resistant HydroTester

    $39.95

    The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Learn More
  10. HM Digital TDS-EZ Water Quality Tester

    HM Digital TDS-EZ Water Quality Tester

    $15.79

    Ideal for all basic water testing applications. The best value meter in the world! Learn More

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