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  • HM Digital ORP-200 Waterproof ORP Meter

    HM Digital

    HM Digital ORP-200 Waterproof ORP Meter

    MSRP: $4,436.30
    $3,105.41
    ORP-200: Waterproof ORP Meter Ideal for all ORP testing, including anti-oxidant measurement, water purification applications, ionizers, agriculture, aquariums & aquaculture, chlorine monitoring,...
    MSRP: $4,436.30
    $3,105.41

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  • HM Digital COM-300 Water Testing Meter

    HM Digital

    HM Digital Com-300 pH/TDS/EC/Temperature Digital Water Tester

    MSRP: $6,450.78
    $4,012.84
    HM Digital COM-300: Waterproof Professional Series pH/EC/TDS/Temp Meter The COM-300 is a professional grade level pH/EC/TDS/Temp meter ideal for all water quality testing, hydroponics, water...
    MSRP: $6,450.78
    $4,012.84

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  • ORP Buffer Solution and Electrode Test Kit ORP Buffer Solution and Electrode Test Kit

    HM Digital

    ORP Buffer Solution and Electrode Test Kit

    $764.25
    ORP Buffer Solution and Electrode Test Kit HM Digital's pH buffer solution comes in powder form, so it's lightweight, takes up very little space, is inexpensive and has an indefinite shelf life. Dry...
    $764.25

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  • SP-O2 Replacement Sensor for ORP-200 HM Digital Replacement Sensor for ORP-200

    HM Digital

    HM Digital Replacement Sensor for ORP-200

    $1,774.52
    The HM Digital Replacement Sensor for ORP-200 is designed to restore and enhance the performance of your ORP-200 meter. This high-quality replacement sensor ensures accurate and reliable measurement...
    $1,774.52

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  • Waterproof pH Meter PH-200

    HM Digital

    PH-200 Waterproof pH Meter

    MSRP: $3,296.98
    $2,823.10
    Ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers...
    MSRP: $3,296.98
    $2,823.10

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  • COM-100 Waterproof EC / TDS / Temperature Combo Meter

    HM Digital

    COM-100 Waterproof EC / TDS / Temperature Combo Meter

    MSRP: $2,619.43
    $2,177.82
    Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology...
    MSRP: $2,619.43
    $2,177.82

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  • HM Digital COM-80 EC/TDS HydroTester

    HM Digital

    HM Digital COM-80 EC/TDS HydroTester

    MSRP: $1,893.49
    $1,611.18
    Brand New! The COM-80 is a reliable, economically priced, EC/TDS meter that is perfect for testing applications like hydroponics, gardening, pools, spas, aquariums, reef tanks, water ionizers,...
    MSRP: $1,893.49
    $1,611.18

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  • HM Digital PH-80 pH HydroTester

    HM Digital

    HM Digital PH-80 pH HydroTester

    MSRP: $2,417.78
    $1,693.86
    Measuring the pH value of water-based solutions is important for various applications. This can be easily done using HM Digital PH-80 pH Hydro Tester. This device is economically priced, and...
    MSRP: $2,417.78
    $1,693.86

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  • HM Digital AP-1 AquaPro Water Quality Tester (TDS)

    HM Digital

    HM Digital AP-1 AquaPro Water Quality Tester (TDS)

    Discontinued Please See COM-80 HM Digital introduces its new AquaPro series, a line of handheld TDS/EC meters with a sleek design that's perfect for today's modern kitchen. The AquaPro digital water...

  • SP-C1 Replacement Sensor for COM-100 HM Digital Replacement Sensor for COM-100

    HM Digital

    HM Digital Replacement Sensor for COM-100

    MSRP: $1,409.53
    $903.39
    FEATURES (Replacement EC/TDS/TEMP Sensor for COM-100) Measures Conductivity(EC), TDS, and Temp Measures Temperature Probe: ABS material Stainless steel sensor pins Thermometer: Yes HM Digital...
    MSRP: $1,409.53
    $903.39

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