HM Digital

8 products


  • Sale -20% HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp HM Digital Meters

    HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp

      HydroMaster Digital testers make monitoring water easier than ever by reading the levels that matter most and providing accurate readings that you can depend on. Continuous pH/EC/TDS/Temp monitor with rechargeable battery. Portable, wall mount, or benchtop use. HydroMaster HM-500 pH/EC/TDS/°F Tester (113831) Tests pH at a range of 0 pH-14 pH, temperatures from 30°F-176°F, TDS from 0-9999 ppm and EC from 0-9999 μS Stores up to 20 measurement readings, so you can monitor changes over time LCD touch-type screen with auto backlighting Powered by a rechargeable lithium ion battery Features an adjustable alarm that has a high and low set point Automatically turns off after 5 minutes Comes with wall mountable bracket, USB cable, 2 flotation disks, 1 EC/TDS conductivity sensor, 1 pH sensor, 1 packet each pH 4, pH 7, storage solution, and 1000 ppm calibration solution 110V-220V   Three year warranty (6 month warranty on the pH probe)

    $359.00$287.00

  • Sale -8% HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester HM Digital Meters

    HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester

    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.   Measures electrical conductivity (EC), total dissolved solids (TDS).  Excellent for hydroponic nutrient testing.   Four scales: EC: µS, mS;  TDS: ppm, ppt     Automatic Temperature Compensation (ATC)   Water resistant   Measurement Range: 0-9990 µS; 0-5000 ppm; 0-9.9 mS; 0-5.0 ppt    Digital Calibration (push button) to any point within the meter's range   Auto-off function, data-hold function and low-battery indicator   Display: large and easy-to-read LCD screen includes simultaneous temperature reading   Factory Calibrated: The COM-80 meter is calibrated with a 1413 µS solution—can be recalibrated with digital calibration using the push buttons   Includes a protective cap and batteries.       SPECIFICATIONS   EC Range: 0-9990 µS; 0-9.9 mS   TDS Range: 0-5000 ppm (mg/L); 0-5.0 ppt   Temperature Range: 1-80°C/33-176°F  Resolution: 1 µS/ppm; 0.1 mS/ppt   Temp. resolution: 0.1°C/F  Accuracy: +/- 2%  EC-to-TDS Conversion Factor: NaCl (avg of 0.5)  Calibration: Digital calibration by push button  Probe: Fixed  Housing: Water resistant Power source: 3 x 1.5V button cell batteries (included)  (model LR44 or equivalent) Dimensions: 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches)  Weight: 53.9 g (1.9 oz)   1 year warranty

    $42.95$39.30

  • Sale -6% HM Digital PH-STOR pH Electrode Storage Solution HM Digital Meters

    HM Digital PH-STOR pH Electrode Storage Solution

    For use with HM Digital's PH-200 and PH-80 (as well as other brands of pH meters). Always make sure your sensor is kept in an electrode storage solution. If dry, refill the pH meter cap with the PH-STOR storage solution. The sponge should be moist (not soaking wet).

    $8.49$7.98

  • Sale -13% HM Digital TDS-3 Handheld TDS meter HM Digital Meters

    HM Digital TDS-3 Handheld TDS meter

    Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor technology. It features a measurement range of 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1 ppm. From 1000 to 9990 ppm, the resolution is in increments of 10 ppm, indicated by a blinking image.

    $33.99$29.62

  • Sale -10% HM Digital Replacement pH Sensor Probe for HM-500 HM Digital Meters

    HM Digital Replacement pH Sensor Probe for HM-500

    Replacement pH Sensor HM-500 HM-500 Replacement pH probe 2 Meter / 80 inch cable length Includes pH storage solution, 6-month warranty

    $59.99$53.99

  • Sale -10% HM Digital PH-80 pH/Temperature Meter HM Digital Meters

    HM Digital PH-80 pH/Temperature Meter

    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.   FEATURES   Measures pH and temperature One-touch automatic digital calibration Water resistant Simultaneous temperature display Sleek, lightweight design Large LCD display Automatic Temperature Compensation (ATC) Auto-off function, data-hold function and low-battery indicator Includes storage solution in a sponge embedded in a translucent cap Factory Calibrated: The PH-80 meter is factory calibration to pH 7.0. The meter can easily and quickly be recalibrated with digital calibration to pH 4.0, 7.0 or 10.0 using the meter's simple one-touch process Includes a cap, batteries, storage solution and pH 7.0 buffer

    $46.50$41.86

  • Sale -4% HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml) HM Digital Meters

    HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)

    NaCl calibration solution 1000 ppm comes in lightweight HDPE plastic bottles. Sealed with a coated foam liner.

    $9.49$9.09

  • Sale -10% HM Digital Hydromaster Replacement EC/TDS Probe HM Digital Meters

    HM Digital Hydromaster Replacement EC/TDS Probe

    The HM Digital Hydromaster EC/TDS Probe is a replacement part for the HydroMaster HM-500.

    $49.99$44.99

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