Resolution 0.01pH, 3 Point Calibration
Usually Stocked
This equipment contains button batteries and is intended to be used in trades, professions or industries only.
For laboratory consumables or equipment, head over to our alternative website, Australian Scientific, where you can conveniently purchase these items alongside water quality products.
This equipment contains button batteries and is intended to be used in trades, professions or industries only.
From: $245.00 ex GST
Formerly known as the Horiba B713, the LAQUAtwin pH pocket meter is your go-to solution for fast and reliable pH testing using just a single drop of sample.* Not only is it compact and convenient, but it also delivers lab-quality accuracy—right in the palm of your hand and in just seconds.
Whether you’re monitoring aquarium pH, testing the acidity of rainwater, ensuring the freshness of food, or verifying the quality of cosmetics, this pH pocket meter stands out as a versatile tool. Thanks to its portable design and quick results, it’s ideal for on-the-go testing across a wide range of environments and applications.
Environmental water testing (rain, rivers, lakes, hot springs)
Aquariums and aquaculture
Drainage and wastewater treatment
Soil and agricultural analysis
Brewing, fermentation, and food processing
Quality control in pharmaceuticals and cosmetics
Dental hygiene assessments
Research and educational use
Auto Calibration: Automatically recognizes standard solutions for quick setup
Temperature Compensation: Ensures accurate readings across varying conditions
Durability: IP67 waterproof and dustproof for reliable field use
Auto Hold Function: Locks stable readings automatically
Power Saving: Automatic shut-off after 30 minutes of inactivity
Flexible Calibration: Supports 2, 3, or 5 calibration points (depending on model)
Temperature Display: This model pH33 also shows temperature alongside pH
*Minimum sample volume: 0.1 mL (or just 0.05 mL when using a HORIBA sampling sheet—available separately in packs of 100).
Compact and lightweight, the LAQUAtwin pH pocket meter is an essential tool for anyone who needs fast, accurate pH readings wherever they go.
This equipment contains button batteries and is not intended for general consumer use.
(i) the equipment is intended to be used in trades, professions or industries only;
(ii) the equipment is not intended for sale to the general public;
(iii) the equipment is not intended to be used where children are present;
MODEL | pH 11 | pH 22 | pH 33 | ||
---|---|---|---|---|---|
Measurement principle | Glass electrode method | ||||
Minimum sample volume |
0.1mL or more *1 | ||||
Measurement range | 0 to 14pH | ||||
Range and Resolution (Valid numbers) |
0.1pH | 0.01pH | 0.01pH | ||
Calibration | 2-point | 3-point | 5-point | ||
Accuracy | ±0.1pH *4 | ±0.01pH *4 | ±0.01pH *4 | ||
Functions | Temperature compensation・Waterproof*5・Auto hold・Automatic power off(30 minutes) | ||||
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 | ||||
Main Material | ABS epoxy | ||||
Dimensions /Mass |
164mm × 29mm × 20mm (excluding projections) / Approx. 50 g (meter only, without batteries) | ||||
Accessories included |
2 CR2032 batteries/1 Pipette/Instruction manual/Quick manual/Storage case | ||||
Standard solution (pH4.01 & pH7.00)(14mL) | Standard solution (pH4.01 & pH7.00)(14mL) |
Standard solution (pH4.01 & pH7.00)(14mL) |
*1 Smaller amount(0.05mL or more) can be measured with the sampling sheet B. (Please close the light shield cover. If a sample that contain particulate, please use ”Sampling sheet holder” (sold separately))
*2 Repeatability in measurement of a standard solution after calibration using the same standard solution.
*3 IP67:no failure when immersed in water at a depth of 1 meter for 30 minutes. But the product can not be used underwater.