LAQUAtwin pH

Accurate pH measurements in a few seconds with minimal sample volume.

Easily take accurate pH readings in fresh water (rain, rivers, lakes, hot springs); aquaria; drainage treatment solutions; soil testing for improved agriculture; fermentation and brewing; food freshness testing; research laboratories; QC medical supplies and cosmetics; preventative dentistry; school education.  

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  • Auto-calibration
  • Manual Temperature Compensation
  • IP67 Waterproof *5
  • Auto hold
  • Automatic power off (30 minutes)


  • Glass electrode method
  • Minimum Sample volume: 0.1mL or more *1
  • Measurement Range: 2 to 12pH
  • Display Range: 0 to 14
  • Range and Resolution: 0.1 / 0.01pH
  • Calibration: Two-point*3
  • Accuracy: ±0.1pH *4
  • Display: Custom (monochrome) Digital LCD
  • Operating temperature / humidity: 5 to 40°C, 85% or less in relative humidity (no condensation)
  • Power: CR2032 batteries (x2)
  • Battery Life: Approximately 400 hours in continuous use

*1 Smaller amount (0.05mL or more) can be measured with the sampling sheet B.

*2 When the measured value is out of the measurement range, the displayed value blinks. It should only ne used as a guide.

*3 Selectable between one-point and two-point calibrations.

*4 Repeatability in measurement of a standard solution after calibration using the same standard solution.

*5 IP67: no failure when immersed in water at a depth of 1 meter for 30 minutes. But the product can not be used underwater.









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