HM Digital Pro Series Pen Style TDS/EC/Temp Meter

★★★★★ 4.2 125 reviews

US$28.48
Price when purchased online
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US$28.48
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Free shipping Free 30-day returns

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Product details

Management number 250500347 Release Date 2026/09/17 List Price US$28.48 Model Number 250500347
Category

The COM-100 is a professional grade level 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 electrical conductivity (EC), total dissolved solids (TDS), and temperature.

  • UPGRADED: Four scales: 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-C1)

  • Factory Calibrated: The COM-100 meter is calibrated with a 1413 µS solution.

  • UPGRADED: Includes translucent cap, 2 (AAA) batteries and lanyard.


Specifications:
  • EC Range: 0 – 9990 µS; 0 – 9.99 mS

  • TDS Range: 0 – 8560 ppm (0.7 Scale); 0 – 8.56 ppt (0.7 Scale)

  • 0 – 5000 ppm (0.5 Scale); 0-5.00 ppt (0.5 Scale)

  • Temperature Range: 0-55 °C; 32-130°F

  • Resolution: 0-99: 0.1 µS/ppm/ 0.01mS/ppt; 100-999: 1 µS/ppm; 1000-9990: 10 µS/ppm. Temp. resolution is 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

  • Housing: IP-67 Waterproof (submersible; floats)

  • UPGRADED: 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: 127g (4.5 oz)


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