Flat pH sensor with temperature compensation offers a reliable and quick direct measurement
of micro-samples from 100 μL.
Fresh water testing; aquarium; affluent treatment; soil & food testing; research laboratories;
QC education, etc.
Get accurate direct measurement from a single drop of sample on the unique flat sensor—a result of 60 years of HORIBA’s sensor engineering technology. Select your LAQUAtwin from seven electrochemistry parameters such as pH, conductivity, various ions (Na+, K+, NO3-, Ca2+ ) and salt concentration that best suits your purpose. It’s simple & compact and is your lab-in-your-pocket. Use it wherever and whenever.
Quick! No container is
pH response membrane KCI gel Approx. 0.8 mm Liquid junction Reference electrode Temperature sensor Seven water quality parameters are available to suit your requirement, such as pH, conductivity, ion concentration (Na +, K +, NO3 -, Ca 2+ ) and salt concentration. Incorporating the same principle as laboratory sensors, LAQUAtwin provides a reliable and accurate measurement.
will tell you when the result can be read
Easy operation for both the measurement and indispensable calibration procedure. Read the data once a smiley face lights up.
The meter and sensor are fully waterproof so you can take it anywhere anywhere. No worries when water splashes during measurement or cleaning.
One meter provides seven flexible measurement techniques. Simply choose the method that best fits your sample and situation.
The compact carrying case contains everything you need for your measurements, including the standard solution. You can attach a strap or tag on the strap hole.
One meter provides seven flexible measurement techniques. Simply choose the method that best fits your sample and situation.
Drop a sample with a pipette; small volumes as 0.1 mL can be measured. Using sampling sheet B, volumes down to 0.05 mL can be tested.
When you're in the lab, you can test the sample in a beaker. Ensure the sensor guard sliding cap is open.
Use as a scoop to test water from a river. Vertical scoop is available with a unique sensor guard.
The sampling sheet allows tiny, trace volumes to be analysed. For example, wipe off the surface of the skin with a sampling sheet soaked with pure water and measure.
Foods containing some moisture can be tested by placing a small piece directly onto the sensor.
LAQUAtwin meters can also test dry powders. Simply place the powder sample onto the sensor, and add an appropriate amount of pure water.
To test sheets of paper and textiles, cut up the sample into small pieces and place them directly onto the sensor then add a defined amount of pure water.
IP67 rated waterproof and dustproof.| Measurement principle | Glass electrode method |
| Minimum sample volume | 0.1mL or more *1 |
| pH range | 0 to 14pH |
| Resolution (Valid digits) | 0.01pH |
| Calibration | Up to five-point |
| Accuracy *2 | ±0.01pH |
| Temperature Display | 0 to 50°C |
| 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 | Approx. 400 hours in continuous use |
| Outer dimensions / Mass | 164mm × 29mm × 20mm (excluding projections) / Approx. 50 g (meter only, without batteries) |
| Main functions | Temperature compensations, waterproof *3, auto stable/auto hold, automatic power OFF |
1 0.05 mL or more if the sampling sheet B (sold separately) is used.
*2 The closeness of agreement between measured value and actual value of the pH 4.01 standard solution
after two point calibration using pH 4.01 and pH 7.00 standard solutions. The temperature during the calibration
and measurement is the same. Two point calibration is started from pH 7.00.
The error of standard solutions and rounding error (±1 digit) are not included.
*3 IP67: no failure when immersed in water at a depth of 1 meter for 30 minutes
Please note that the meter cannot be used underwater.
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