HM Digital

HM Digital COM-300 pH/EC/TDS/TMP Handheld Meter

Part #: 211232
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The COM-300 by HM Digital is a professional grade level pH/EC/TDS/Temp meter 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.

Features

  • Measures Potential Hydrogen (pH), Electrical Conductivity (EC), Total Dissolved Solids (TDS), and Temperature
  • Five scales: pH, µS, mS, ppm 0.5 (NaCl) Scale & 0.7 (442™) Scale
  • Automatic Temperature Compensation (ATC) using three temperature coefficients
  • Waterproof housing (IP-67 rating)
  • 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
  • Replaceable Sensor (model SP-C3)
  • Factory Calibrated (pH/EC/TDS)
  • Includes translucent cap, 2 (AAA) alkaline batteries, pH 4 & 7 calibration solutions, pH storage solution and lanyard

 

      • pH Range: 0 – 14 pH
      • EC Range: 0 – 9990 µS; 0 – 9.99 mS
      • TDS Range: 0 – 8560 ppm (0.7 Scale); 0 – 5000 ppm (0.5 Scale)
      • Temperature Range: 0-55 °C; 32-130°F
      • Resolution:
        • pH: 0.1pH
        • EC 0 – 999 : 1μS ; 1000 – 9990 : μS ; 0- 9.99 mS :0.01 mS
        • TDS 0 – 999 : 1ppm / 1000 – 9990: 10 ppm
        • Temperature 0.1 °C/°F
      • Accuracy: +/- 2%
      • EC to TDS Conversion Factor: Non-linear conversions for KCl, 442TM or NaCl solutions, selected by the user.
      • Probe: Detachable platinum electrodes & pH glass sensor with reference tube electrodes
      • Housing: IP-67 Waterproof (submersible; floats)
      • Power source: 2 x Triple A (AAA) included
      • Dimensions: 18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches)
      • Weight: 101.5g (3.6 oz)
      • 442 is a registered trademark of the Myron L Company.
      • AXEON Part Number: 211232

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