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HM Digital Waterproof EC/TDS/Temp HydroTester

Item #: 716145

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EC/TDS/Temp Waterproof Hydro Tester

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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 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. The meter can be recalibrated with digital calibration using the push buttons.
  • Includes a protective cap and batteries.
  • 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: 53.9g (1.9 oz)


Brand HM Digital
SKU 716145
Weight (lb.) 1
Height (in.) 0.6
Length (in.) 6
Width (in.) 1.3
Warranty Yes
Free Shipping Yes

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Ships Via FedEx/UPS

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