pH 33 LAQUAtwin Compact pH Meter

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With LAQUAtwin meters, accuracy, simplicity and reliability are assured, so you can be confident about the quality of the water you’re testing.

Applications include: Fresh water testing (rain, rivers, lakes, hot springs); aquaria; drainage treatment solutions; soil testing for improved agriculture; fermentation and brewing; food freshness testing; research laboratories; QC of medical supplies and cosmetics; preventative dentistry; school education, etc.


  • Five-Point Calibration
  • Automatic Temperature Compensation
  • Auto-stable or Auto-Hold measurement
  • Auto Buffer Recognition
  • Replaceable Sensor
  • Fully waterproof and dustproof (IP67)
  • 2x CR2032 Li battery: 400 hours life
  • Works with liquids, solids, powders, paper, textiles and more
  • Supplied complete with meter, electrode, batteries, pipette, manuals, calibration solution
  • Range: 0 to 14 pH
  • Resolution: 0.01
  • Accuracy: ±0.01
  • Power: Two CR2032 batteries
  • Dimensions: 6.5" × 1.1" × 0.8"
  • Weight: 50 g