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LAQUAtwin pH Meters

Pocketmeters from Horiba who can measure Ph in a single drop water or water based sample. Choose one of the three models (PH-11, PH-22 or PH-33) and take accurate measurements right away.

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€ 110,00 *
Price per unit


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Horiba LAQUAtwin pH Meters, PH-11, PH-22 and PH-33 Meters

These pocketmeters from the LAQUAtwin series by Horiba measure pH in a single drop of water or water based sample.The meter gives accurate measurements and is lab quality. The applications are multiple as long as the samples carry (some) water. Oil based substances are not suitable. Whether it is plantsap, food, soil samples or the like, with the smallest sample you can get accurate pH readings.

Three Models

You can choose from three models. Depending on resolution and calibrarion points u kan choose the meter of your likes and use it for your purpose. Please check the specifications and make a choice. 

Each meter is supplied with pH 4.01 & 7.00 buffers (14ml each), 2 x CR2032 batteries, dropper, instruction and quick manuals.    








 Measurement Principle

Glass Electrode


 Minimum Sample Volume 

0.1ml (0.05ml with Sampling Sheet B)


 pH Range & Resolution  


 0.0 to 14.0 pH : 0.1 pH


 0.00 to 14.00 pH : 0.01 pH



 mV Range & Resolution 


 ± 650 mV : 1mV 


 Calibration Points


 Up to 2


 Up to 3



 Up to 5





 ±0.1 pH


 ±0.01 pH



 Temperature Display

  0 to 50.0 °C   




 Temperature Calibration

  5 to 40.0 ºC





  Custom (monochrome) digital LCD with backlight


 Operating Temperature

  5 to 40°C


 Operating Humidity

  85% or less relative humidity (no condensation)



  CR2032 batteries (2)


 Battery Life

  Approx. 400 hours in continuous use (without backlight)



  164 × 29 × 20mm (excluding projections)



  Approx. 55 g (including sensor and batteries)




  • Auto Calibration
  • Auto Buffer Recognition
  • Auto Temperature Compensation
  • Temperature Calibration (only for pH-33)
  • Auto Stable / Auto Hold Measurement
  • Auto Power Off (30mins)
  • Switchable Backlight
  • Low Battery Indicator
  • IP67 Dust / Waterproof
  • Replaceable Sensor

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