Portable meter provides reliable and high quality pH/mV measurements with simple click of a button

Reliably measure pH, mV, ORP and temperature with our portable pH meter for advanced field analysis and printer or computer interfacing.

Accurate measurements any time, anywhere

Take simple pH and temperature measurements with our portable pH meter with easy operation for basic field testing.

Accurate measurements any time, anywhere

Water and dust proof, IP67 rated meter for portable or field measurements. Portable meters compatible with pH, conductivity, dissolved oxygen, and ion selective electrodes.

Accurate measurements any time, anywhere

Oakton™ pHTestr™ Waterproof Pocket pH Testers have large easy-to-read LCD display featuring three-color backlight

Accurate measurements any time, anywhere

Versatile, compact design works in a field or laboratory setting.

Oakton pHTestr 50 has a replaceable double junction sensor for longer life, an expanded number of applications, and easy maintenance. Versatile, compact design works in the field or laboratory

Oakton™ PCTSTestr™ 5 Waterproof Pocket Tester performs conductivity, pH, salinity, and TDS testing all in one meter

Oakton™ EcoTestr™ Waterproof Pocket Testers are designed to be durable and easy to use

Pocket pH meter with large display; accepts pH combination electrode with BNC connector

Achieve accurate measurements any time, indoors or outdoors with the AP110 Portable pH Meter Kit.

Convenient pH testing. OHAUS Starter pH Pen Meters offer a convenient way to measure pH, or the relative acidity or alkalinity of a sample at a given temperature. The pH pen meters can be completely operated with just one hand, freeing up your other hand to handle samples.

LCD meters combine portability with precise pH measurement.

Oakton™ ORPTestr™ 5 Waterproof Pocket Tester features a large easy-to-read LCD with a three-color backlight

Oakton™ CTSTestr™ 5 Waterproof Pocket Tester offers onductivity, salinity, and TDS testing all in one meter

pH measurement is easier than ever with the Fisherbrand™ pH Pen™ – an economical range pocket-size tester designed for on-the-go pH measurements.

For accurate measurements anytime, anywhere.

Convenient pH testing. OHAUS Starter pH Pen Meters offer a convenient way to measure pH, or the relative acidity or alkalinity of a sample at a given temperature. The pH pen meters can be completely operated with just one hand, freeing up your other hand to handle samples.

LCD meters combine portability with precise pH measurement.

Oakton™ EcoTestr™ pH 1 Waterproof Pocket Tester automatically recognizes pH buffer standards

Portable, waterproof meter provides simple operation and accurate readings every time.