HM Digital Hydromaster HM-200 Portable pH/TDS/EC/Temp Meter

You can purchase this item through Global Garden by calling 310-362-0550 or you can visit and purchase online.


SKU: GG-660008 Category: Tag:
Name Part Number SRP Wishlist
HM Digital Hydromaster HM-200 Portable pH/TDS/EC/Temp MeterGG-660008$274.95

The HM-200 is a versatile portable 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
  • Five scales: pH, µS, 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
  • Auto-off function, data-hold function and low-battery indicator
  • 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 protective rubber boot, 2 (AA) alkaline batteries, pH 4 & 7 calibration solutions, pH storage solution
Weight1.19 lbs
Dimensions7.64 × 5.20 × 3.35 in


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