Item Number: TM105

HM Digital TDS EC/Temp Hydrotester

Good for Aquaponics, Hydroponics and Much More

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The HM Digital EC/TDS HydroTester is a reliable EC/TDS meter that is ideal for testing applications such as hydroponics and gardening, pools and spas, aquariums and reef tanks, water ionizers, drinking water and more. With four scales, including microsiemens (µS), millisiemens (mS), parts per million (ppm) and parts per trillion (ppt), this water-resistant tester is excellent for nutrient testing, and the LCD screen displays simultaneous temperature reading. Measurements range from 0 to 9,990 µS, 0 to 5,000 ppm, 0 to 9.9 mS and 0 to 5.0 ppt. This product includes a protective cap and batteries and carries a one-year warranty.

  • Uses 3 1.5V button cell batteries (included)
  • Measures Electrical Conductivity (EC), Total Dissolved Solids (TDS) and temperature
  • Covered by a one-year warranty


  • Battery-Operated


Useful Information


Shipping Weight: 0.25 lb

Dimensions: 8.25"L x 2.0"W x 1.5"H


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