HM Digital TDS-3 TDS Meter

Sale price£19.99

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Pickup available at Infinity Chemicals LTD

Usually ready in 2 hours

When you choose Infinity Wax, you're choosing a brand trusted by real UK professional detailers and manufactured right here in the UK in our own factory.

Our formulas are designed to be safe to use for enthusiasts while remaining fully concentrated and professional strength.

How do we do it? Our deep understanding of material science ensures that your car receives the most advanced care available. We throw out the aggressive industrial chemicals and take a new approach, developing safe and easy to use products that are in many cases from sustainable sources.


Water Quality Tester

With its rugged design and build, the TDS-3 is an ideal meter that can be used for testing your Ranging from water purification, to hydroponics to industrial waste water treatment. It comes with a black vinyl carrying case, protecting it when carried in a toolbox.

Improved ease of use is achieved with automatic temperature compensation and a digital calibration feature at the push of a button.


  • Hydroponics
  • Potable water
  • Aquariums and Reef tanks
  • Reverse Osmosis
  • Water Treatment
  • Horticulture


  • Power – 2 x 1.5V button cell batteries
  • Dimensions mm – H 155 x W 31 x D 23
  • Weight g – 77
  • Operating Temperature °C – 0 – 80
  • Temperature Accuracy – +/- 2%
  • Temperature Resolution °C – 0.1
  • TDS Range ppm – 0 – 9,990
  • TDS Accuracy – +/- 2%
  • TDS Resolution ppm – 1 (0-999) 10 (1,000 – 9,990)
  • Conversion Factor – NaCl (avg. 0.5)
  • Automatic Temperature Compensation – Yes

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