LAQUAtwin pH-33 – Horiba Pocket Water Quality Meters

The only pocket meter that directly measures pH in 0.1ml sample (or 0.05ml sample with sampling sheet B). Unique sensor allows measurement of viscous liquids, solids, and even powder samples. No need for a beaker to calibrate your meter or measure a sample. Just place few drops of the standard or sample onto the flat sensor. This procedure saves you time and prevents wasting your precious sample.

Minimum sample volume: 0.1ml (0.05ml with sampling sheet B)
Up to 5 calibration points
pH, mV, and temperature display
Auto calibration
Auto buffer recognition: USA & NIST pH buffers
Auto temperature compensation
Temperature calibration: 5 to 40.0 ºC
Auto stable / auto hold measurement
Auto power off: 30 mins
Low battery indicator
IP67 Rating dust & waterproof
Replaceable sensor
400 Hours battery life: continuous use without backlight
Material: ABS epoxy
Display: custom (monochrome) LCD with backlight
Operating conditions: 5 to 40°C, 85% or less relative humidity
Warranty: 2 years – meter, 6 months – sensor
Packed in handy carrying case
Supplied with pH 4.01 & 7.00 buffers (14ml each), 2 x CR2032 batteries, dropper, instruction and quick manuals


The HORIBA Group of companies provides a wide range of instruments and systems for applications ranging from automobile manufacturing to environmental monitoring, medical diagnostics, semiconductor manufacturing, and various other applications. The proven quality and reliable performance of HORIBA’s products have established trust in the brand across various industry segments. CWS Abroad is a distributor of Horiba equipment.

Inspired by HORIBA’s quality and in light of the growing global environmental and ecological concerns, CWS Abroad is pleased to offer its customers all products from the “Scientific” and “Process & Environmental” lines. Horiba equipment features specific characteristics from the manufacturer and distinct technology unlike any other product in the world. Be sure to check out the line of multiparameter equipment, benchtop analyzers, field analyzers, and the compact LAQUAtwin meter series.