HM Digital TDS-3 Handheld TDS meter

Sale price$24.99


Handheld TDS Tester

HM Digital TDS-3 Handheld TDS meter is ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficient and accurate due to its advanced microprocessor technology. It features a measurement range of 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1 ppm. From 1000 to 9990 ppm, the resolution is in increments of 10 ppm, indicated by a blinking image. Meters can be recalibrated with a mini-screwdriver. 1 year warranty.

With its rugged design and build, the TDS-3 is an ideal meter for hydroponics and/ or mixing nutrient solutions.


  • Hold function: saves measurements for convenient reading and recording.
  • Auto-off function: the meter shuts off automatically after 10 min of non-use to conserve batteries.
  • Measurement range: 0–9990 ppm.
  • Accuracy: +/- 2%
  • Display: large and easy-to-read LCD screen with built-in digital thermometer.
  • Factory calibrated: TDS-3 meters are calibrated with a 342 ppm NaCl solution. 

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