LAQUA Twin pH Meter

Available on backorder


  • Replacement to part 2103AL, the upgraded LAQUA pH meter offers better resolution, increased measurement range, and three-point calibration functionality
  • The dual-action sensor guard protects the electrode and captures samples from buckets and bodies of water
  • Waterproof pocket-sized meter with digital calibration
  • Flat sensor allows measurement of small sample
  • Auto calibrates to pH 4 and 7 standard solutions
  • Sensor is replaceable and stores dry
  • Automatic temperature compensation, waterproof, auto power-off
  • pH range: 2.0 to 12.0 (Accuracy/Repeatability: ±0.1 pH)
  • Includes case, two 3V batteries and pH 4 & 7 standards

Catalogue: PDF

SKU: ST-pHM-Lt Category: Tags: , ,

Specifications : 
Model LAQUAtwin-NO3-11, LAQUAtwinNO3-11C, LAQUAtwin-NO3-11S
Target Nitrate ion (NO3)
Measurement principle ISE method
Minimum sample volume More than 0.3 mL*1
Intended use
LAQUAtwin-NO3-11: General measurement
LAQUAtwin-NO3-11C: Crop measurement
LAQUAtwin-NO3-11S: Soil measurement
Measurement range:
NO3: 6 to 9900 [unit: ppm or mg/L]
NO3-N: 0.7 to 1100 [unit: kg/10a]
NO3-N: 1.4 to 2200 [unit: ppm or mg/L]
Resolution (default)
Display range (NO3): Resolution
6 to 99: 1
100 to 990: 10
1000 to 9900: 100
[unit: ppm or mg/L]
Calibration Up to 2 points
LAQUAtwin-NO3-11: 150 ppm and 2000 ppm
LAQUAtwin-NO3-11S: 30 ppm and 300 ppm
LAQUAtwin-NO3-11C: 300 ppm and 5000 ppm
Accuracy: *2 ±10% of reading value
Waterproof: IP67 (no failure when immersed in water at a depth of 1 m for 30 min) *3
Display Custom (monochrome) digital LCD with backlight
Operating environment Temperature: 5C to 40C
Humidity: 85% relative humidity or less (no condensation)
Power: CR2032 batteries (2)
Battery life Approx.: 400 h continuous operation (backlight off mode)*4
Material ABS epoxy (main material)
Dimensions: 164 x 29 x 20 mm (excluding projections)
Mass Approx.: 50 g (excluding batteries)

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