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


  • Hold Function
  • Auto-off Function (After 10 min.)
  • Built-in digital thermometer
  • Includes a carrying case with belt clip
  • Factory Calibrated with a 342 ppm NaCl solution. (Meter can be recalibrated with a mini-screwdriver).
  • IF + CALIBRATION SELECTED: Includes 500ml Calibration solution.
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