Azzota®  Waterproof Portable pH Meter (2020 Model)
Azzota®  Waterproof Portable pH Meter (2020 Model) Azzota®  Waterproof Portable pH Meter (2020 Model)

An economy portable pH meter with a 1 to 3-point calibration, Automatic Temperature Compensation, a setup menu with seven options, and an accuracy of 0.01pH.


  • Economy portable pH meter is equipped with a backlit LCD.
  • 1 to 3 points calibration with automatic recognition for USA and NIST buffers.
  • Automatic electrode diagnosis helps the user decide whether to replace the pH electrode.
  • Automatic temperature compensation ensures accurate readings over the entire range.
  • Auto-Read function senses and locks the measurement endpoint.
  • Auto-Power Off effectively conserves battery life.
  • The setup menu allows setting the pH buffer group, number of calibration points, temperature unit, etc.
  • The reset function automatically resumes all settings and returns them to the factory defaults.
  • Expanded memory stores or recalls up to 100 data sets.
  • USB communication interface for data transfer or connecting a power adapter to the meter.

Packing list

  1. PPMVT-220 meter
  2. E201-BNC pH electrode
  3. TP-10K temperature probe
  4. pH4.01/7.00/10.01 buffer solutions
  5. Carrying case











   Calibration Points

1 to 3 points

   pH Buffer Options

USA (pH4.01/7.00/10.01) or NIST (pH4.01/6.86/9.18)










0~105°C, 32~221°F


±0.5°C, ±0.9°F


0.1°C, 0.1°F

   Offset Calibration

1 point

   Calibration Range

Measured value ±10°C


   Temperature Compensation

0~100°C, 32~212°F, manual or automatic


Stores up to 100 data sets


USB communication interface




3.5" custom LCD


3×1.5V AA batteries or DC5V power adapter

   Battery Life

Approximately 150 hours (Turn off the backlit)

   Auto-Power Off

30 minutes after the last key is pressed




11 oz