COM-80 - EC/TDS HydroTester Series

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Product Number: C35308

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Easily the most advanced, economically priced, reliable EC/TDS meter on the market. With its versatility and durability, it is ideal for testing applications such as hydroponics, gardening, drinking water, aquariums, reef tanks, pools, spas, water ionizers, and more.


  • Measures electrical conductivity (EC) and total dissolved solids (TDS)
  • Excellent for nutrient testing
  • 4 scales - EC Range 0-9990 S, EC Range 0-9.9 mS, TDS Range 0-5000 ppm (0.5 Scale), TDS Range 0-8560 ppm (0.7 Scale)
  • Automatic temperature compensation (ATC)
  • Water resistant
  • Push-button digital calibration to any point within the meters range
  • Auto-off function
  • Data-hold function
  • Low-battery indicator
  • Large and easy-to-read LCD screen includes simultaneous temperature reading
  • Factory calibrated with a 1413 S solution
  • Temperature range: 33°-176°F (1°-80°C)
  • Resolution: 1 S/ppm, 0.1 mS
  • Temperature resolution: 0.1° F/C
  • Accuracy: 2%
  • Power source: 3 x 1.5V button cell batteries (LR44 or equivalent is included)
  • Dimensions: 6 in. x 1-5/16 in. x 11/16 in. (15.3 x 3.2 x 1.8 cm)
  • Includes a protective cap and batteries

Item Weight: 0.50
Assembly Required: false
Brand: HM Digital
Prop 65:


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