Reliably measure pH, mV, ORP and temperature with the Thermo Scientific™ Orion™ Star A211 pH Benchtop Meter for advanced lab analysis and printer or computer interfacing

Take simple pH and temperature measurements with the Thermo Scientific™ Orion™ Star A121 pH Portable Meter with easy operation for basic field testing

Take simple pH, mV and temperature measurements with the Thermo Scientific™ Orion™ Star A111 pH Benchtop Meter with easy operation for basic lab testing

Compact, benchtop meter provides high quality pH/mV measurements with simple click of a button

Accurate measurements any time, anywhere

Accurate measurements any time, anywhere

Provides the essential functions needed for routine pH measurements without complicated features and processes at a budget-friendly price

Dual Display of pH and Temperature plus high accuracy

Rugged, reliable and accurate meter to measure pH, mV and temperature

Ideal for mobile applications in the laboratory, at-line, and outdoors

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

Get premium performance and ultimate flexibility with the Thermo Scientific™ Orion™ Versa Star Pro™ Meter with pH Module for pH, mV, ORP and temperature on customizable color display

Accurate measurements any time, anywhere

Compact, benchtop meter provides high quality pH/mV measurements with simple click of a button

Easy to use first time and every time, prepare students for laboratory and research applications using professionally proven benchtop meters.

Get premium performance and ultimate flexibility with the Thermo Scientific™ Orion™ Versa Star Pro™ Meter with pH / LogR Module for pH, mV, ORP and LogR temperature technology

Rugged, compact meters with high accuracy

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

Accurate measurements any time, anywhere

Oakton pH 50 Spear Waterproof Pocket pH Testr™ unique junction design provides increased electrolyte flow, resulting in greater contact between sample and reference, ensuring fast, stable readings. Large electrode junction makes clogging virtually impossible

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

Reliably measure pH, mV, ORP and temperature with the Thermo Scientific™ Orion™ Star A221 pH Portable Meter for advanced field analysis and printer or computer interfacing

Compact, with large dual-display LCD

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

These rugged, compact meters offer high accuracy at an extremely affordable price.

For basic everyday pH routines

Rugged design with backlit display for use in any environment

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

Easy-to-use meter to accurately measure pH, mV (ORP) and temperature in laboratory

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