PH20 Value Pocket pH Tester Kit


APERA Instruments PH20 Value Pocket pH Tester Kit

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

  • An ultra clear 180˚ viewing angle screen with temp./pH value dual display and indications of completed auto calibrations and stable readings.
  • Complete kit with calibration solutions (4.00 and 7.00), AAA batteries, and a lanyard all in a rugged carrying case.
  • 1-3 points auto calibration and 0 to 50˚C auto temp. compensation, ±0.1 accuracy with 0 to 14.0 pH 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.
  • Longest 2000 hours' continuous operation powered by AAA batteries (with low power warning and auto power off in 8 min if no operation).


pH-Measuring Range

0 to 14.0






Automatic 1- to 3-Point-Calibration

Temperature compensation

0 to 50 °C (automatic)

Temperature-Measuring Range

0 to 50 °C

Temperature- Resolution

0.1 °C


±0.5 °C

Power Supply

4 × AAA Batteries

Battery Life

up to 2000 hrs

IP Rating

IP67 (waterproof and floatable)


40×31×178 mm
(with carrying case 190×165×40 mm)


107 g (with carrying case 438 g)


  • PH20 Tester
  • Calibration solutions (pH 7.00/pH 4.00, each 50 ml)
  • Lanyard
  • Carrying case

Deutsch (PH20_DE_2018.pdf, 955 Kb) [Download]

English Manual (PH20_EN_2018.pdf, 1,294 Kb) [Download]