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Horiba LAQUAtwin pen pH/acidity meter
The Horiba LAQUAtwin pen pH/acidity meter accurately measures single drop samples directly on a flat sensor, which is the culmination of 60 years of H
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Horiba LAQUAtwin pen pH/acidity meter

Horiba LAQUAtwin pen pH/acidity meter

•pH、 Conductivity, ion and salt concentration. 7 parameters, 11 models

Seven water quality parameters meet your needs, such as pH, conductivity, ion concentration (Na+, K+, NO3-, Ca2+), and salt concentration.

LAQUAtwin introduces the same principle of laboratory sensors to achieve reliable and accurate measurements.


Simply press the button to calibrate and measure, and you will be informed of the time it takes to read the results

Simple execution of measurement and * calibration procedures. Read data after the smiley face symbol lights up.

LAQUAtwin * Waterproof and Dustproof 1 (IP67 rating)

The test pen and sensor are both waterproof, so they can be used anytime and anywhere without worrying about splashing water during measurement or cleaning.

Accurate readings of a single drop sample can be obtained in just a few seconds

LAQUAtwin uses the same testing principle as standard laboratory electrodes to press fit all components into a flat sensor chip with a thickness of less than 1 mm.

The suitcase comes standard and is easy to store and carry

This compact suitcase accommodates all the items required for measurement, including standard liquids. You can attach a strip or label to the hanging hole.

LAQUAtwin has * measurement options

A testing pen can provideseven kindsFlexible and diverse measurement methods. Simply choose the method that best suits your sample and requirements.

dripDrop a sample with a pipette; Can measure small amounts of 0.1 milliliters of sample. Using sample strip B, samples as low as 0.05 milliliters can be measured.

immersionWhen you are in the laboratory, you can measure the sample in the beaker. Ensure that the sensor cover slide is in the open position.

Scoop outCan be used as a spoon to test river water. Vertical spoons can come with sensor shields for *.

rubThe use of sampling strips can analyze small tracking quantities, such as wiping the surface of the skin with a sample strip soaked in pure water and measuring it.

Solid sampleFor food containing a small amount of moisture, simply place a small piece directly on the sensor for measurement.

powderThe LAQUAtwin test pen can also measure dry powder. Simply place the powder sample on the sensor and add an appropriate amount of pure water.

Paper, fabric, and filmTo test paper and fabric, we need to cut the sample into small pieces and place them directly on the sensor, then add a certain amount of pure water.

• Easy measurement for all users


Technical Parameter

model pH11 pH22 pH33
measuring principle Glass electrode method
Zui small sample volume 0.1 mL (0.05 mL with sample B)
Measurement range pH/mV 0 to 14 pH/± 650 mV
resolution 0.1 pH 0.01 pH
calibration 2 points 3 points 5 points
accuracy ± 0.1 pH ± 0.01 pH
calibration curve USA / NIST
function Temperature compensation, IP67 waterproof/dustproof, automatic hold, automatic stability, automatic shutdown (30 minutes)
display Custom (Black and White) Digital LCD
Operating Temperature/ Humidity 5 to 40 ° C, 85% or lower related humidity (without condensation)
BATTERY LIFE The x2 CR2032 battery can last for approximately 400 hours of use
Main materials ABS epoxy resin
outline dimension 164 mm x 29 mm x 20 mm (excluding protruding parts)/approximately 50g (just test pen, not including battery, approximately 45g)
Accessories included 2 CR2032 batteries/1 pipette/instruction manual · quick guide · storage box
14 mL standard solution (pH 4&pH 7)





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