Home Pocket Testers 20 Series value TDS20 Value Pocket TDS Tester

TDS20 Value Pocket TDS Tester

SKU: 28APE190014 / AI213 Categories: , , ,



Simply the most reliable pocket conductivity tester with the best value for all kinds of routine testing, including tap water/drinking water testing, agriculture, aquaculture, swimming pool, education, etc.

  • The unique platinum black conductivity probe technology ensures wide range measurement with accuracy and consistency.
  • An ultra clear 180˚ viewing angle screen with temp./TDS value dual display and indications of completed auto calibrations and stable readings.
  • Complete kit with calibration solutions (1413 µs and 12.88 mS), AAA batteries, and a lanyard all in a rugged carrying case.
  • 1-2 points auto calibration and 0 to 50˚C auto temp. compensation, ±1% F.S accuracy with 0 to 20.00 mS/cm wide conductivity measuring range
  • Self-diagnosis with out-of -range warning and incorrect calibration warning.
  • IP67 Water-proof and dust-proof, floats on water so no need to worry if you drop it in the water by accident.
  • Up to 1000 hours’ continuous operation powered by AAA batteries (with low power warning and auto power off in 8 min if no operation)







TDS-Measuring Range 0 to 100.0 ppm

0 to 1000 ppm

0 to 10.00 ppt

TDS-Resolution 0.1/1 ppm; 0.01 ppt
TDS-Accuracy ±1 % F.S
Calibration Automatic 1- to 2-Point-Calibration
Temperature compensation 0 to 50 °C (automatic)
Temperature-Measuring Range 0 to 50 °C
Temperature- Resolution 0.1 °C
Temperature-Accuracy ±0.5 °C
Power Supply 4 × AAA Batteries
Battery Life Up to 1000 h
IP Rating IP67 (waterproof and floatable)
Dimension 40×31×178 mm
(with carrying case 190×165×40 mm)
Weight 107 g (with carrying case 438 g)




Complete test kit:

  • TDS20 Tester
  • Calibration solutions (1413 μS/cm;12.88 mS/cm, each 50 ml)
  • Lanyard
  • Carrying Case



TDS20 (833 Kb) [Download]



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