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HM Digital HM-100 Continuous pH/EC/TDS/Temp Monitor


SKU: GG-660007 Category: Tag:

The HM-100 is a pH/EC/TDS/Temp monitor ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more.


  • Measures Potential Hydrogen (pH), Electrical Conductivity (EC), Total Dissolved Solids (TDS), Salinity and Temperature
  • Four scales: pH, mS, ppm 0.5 (NaCl) Scale & 0.7 (442™) Scale
  • Automatic Temperature Compensation (ATC) using three temperature coefficients
  • Digital Calibration (push button) to any point within the meter’s range
  • Data-hold function (Max. 6 data values)
  • Large and easy-to-read LCD Screen
  • Displays 3 parameters (pH/EC or TDS/Temp) simultaneously.
  • Replaceable Sensors (model SP-C2 for Conductivity, SP-P5 for pH)
  • Factory Calibrated (pH/EC/TDS)
  • Includes power cable, pH 4 & 7 calibration solutions, pH storage solution

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Product Stats

Weight1.91 lbs
Dimensions9.25 × 5.51 × 3.86 in