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HM Digital

HM Digital

Established in 1987, HM Digital, Inc. (formerly known as Heemang Electronics) is an original equipment manufacturer (OEM) that has been recognized worldwide for providing the best values in water testing instrumentation, especially the increasingly popular TDS meter. Our products are co-designed between our Los Angeles office and our ISO-9001-certified factory in Seoul, Korea, producing high quality water testing and monitoring equipment for all types of water treatment and purification systems, including reverse osmosis (RO), that are sold in over 50 countries throughout the world. We also offer OEM services for customized products and private labeling. In 2000, the US office was established in Los Angeles, CA to provide marketing, customer service and distribution for the Americas, Europe, Africa, the Middle East, Australia and South Asia. We strive to always provide the best values as well as the utmost care in promptly serving our distributors and customers.

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  • HM Digital Triple In-Line TDS Monitor

    HM Digital Triple In-Line TDS Monitor

    Dual Inline TDS Meter

    Measure the tap water coming in vs. the purified water going out of your system at any time. Use the monitor to determine when the filters need to be changed. Install the meter for your customers so they'll always know how their system is performing.

    FEATURES

    * Displays TDS levels of the feed water and product water with in & out electrode probes.
    * 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.
    * Dual 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-fittings as shown.
    * Installs quickly and easily.

    SPECIFICATIONS

    * Range: 0-9990 ppm
    * Accuracy: ±2%
    * Cable Length: 24.5" (including sensor)
    * Fittings: 1/4" standard, also available with 3/8" or 1/2"
    * Power source: 2 x 1.5V button cell batteries (included)
    * Battery life: approx. 1000 hours of continuous use
    * Size: 7.6 x 2 x 4.7 cm (3 x .8 x 1.9 in.)
    * Weight: 79.4 g (2.8 oz.)

    $49.95

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