pH Meters

Thermo Scientific™ Orion Star™ A121 pH Portable Meter

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

Fisher Science Education™ Laboratory Benchtop pH Meters Products for Science Education

Large, dual LCD shows pH measurement and temperature results simultaneously (with ATC probes).

Thermo Scientific™ Orion Star™ A221 pH Portable 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

Thermo Scientific™ Orion Star™ A321 pH Portable Meter

Accurately monitor pH, mV, ORP and temperature with the Thermo Scientific™ Orion™ Star A321 pH Portable Meter for waterproof, high performance in challenging field locations

Thermo Scientific™ Orion Star™ A211 pH Benchtop Meter

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

Thermo Scientific™ Orion Star™ A111 pH Benchtop Meter

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

Thermo Scientific™ Orion Star™ A111 pH Benchtop Meter

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

Thermo Scientific™ Orion™ Versa Star Pro™ pH Benchtop Meter

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

Thermo Scientific™ Orion™ 266S Advanced Waterproof Portable pH/mV Meter

Measure and log pH, mV and temperature using the Thermo Scientific™ Orion™ 266S Intrinsically Safe (US) Portable pH Meter

Thermo Scientific™ Orion™ Versa Star pH Measurement Module

Add pH, mV, ORP and temperature measurement capabilities to your Versa Star meter using the Thermo Scientific™ Orion™ Versa Star pH Measurement Module

Thermo Scientific™ Orion™ Versa Star Pro™ pH/LogR™ Benchtop Meter

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

Thermo Scientific™ Orion™ Versa Star pH / LogR Measurement Module

Add pH, mV, ORP and LogR temperature measurement capabilities to your Versa Star meter using the Thermo Scientific™ Orion™ Versa Star pH / LogR Measurement Module

Fisher Scientific™ accumet™ Portable AP110 pH Meters Products for Science Education

For accurate measurements anytime, anywhere.

Oakton™ Waterproof, Double-Junction pHTestr™ Products for Science Education

Replaceable, double-junction electrode sensors save time and money.

Mettler Toledo™ SevenGo Duo pro™ pH/Ion/Dissolved Oxygen Meters

Portable dual-channel instruments for the determination of pH, mV, rel.mV, ion concentration and dissolved oxygen.

Mettler Toledo™ SevenGo Duo pro™ Lab Meters

Professional dual-channel instrument for special analyses, particularly in environmental, chemical and food and beverage industries. Mettler Toledo SevenGo Duo pro Lab Meters are portable meters for parallel determination of pH, mV, rel. mV or ion concentrations, and dissolved oxygen (DO).

Mettler Toledo™ SevenGo™ Series Portable Meter: Model SG78

Characterized by user-friendliness and excellent ergonomics. Mettler Toledo SevenGo Series SG78 Portable Meter is watertight and robust instrument with high measurement accuracy.

Oakton™ pH 700, CON 700, pH-CON 700 pH/Conductivity Benchtop Meters

Compact, space-saving design with a larger, easier-to-read display

Oakton™ Waterproof pH 150 Portable Meter

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

Fisher Scientific™ accumet™ AP115 Portable pH Meter Kit Available on GSA/VA Contract for Federal Government customers only.

Accurate measurements any time, anywhere

Mettler Toledo™ FiveEasy™ Plus FP20 pH/mV Meters

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

Mettler Toledo™ FiveGo™ F2 pH/mV Meters

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

Oakton™ EcoTestr pH Products for Science Education

The EcoTestr pH1 and EcoTester pH2 — new and economical quality pH testers designed for fuss-free pH measurements.

Mettler Toledo™ S220 SevenCompact™ pH/Ion Benchtop Meter

Precise electrochemical measurement combined with flexibility, innovative design and ease-of-use. Mettler Toledo™ S220 SevenCompact pH/Ion Benchtop Meter measures ORP and ion concentration in various units and is suited for a wide range of applications. A single keypress is all that is required to start a measurement or calibration, toggle measurement modes or switch between displays.

Oakton™ Waterproof Big Display phTestr™ 10

Pocket pH meter with large display makes taking readings easy

Oakton™ Handheld Ion Meters

Rugged, compact meters with high accuracy

Oakton™ Waterproof pH 450 Portable Meter

Rugged design with backlit display for use in any environment

Fisher Scientific™ accumet™ AP115 Portable pH Meter Available on GSA/VA Contract for Federal Government customers only.

Accurate measurements any time, anywhere

Mettler Toledo™ SevenGo™ Series Portable Meter: Model SG23

Characterized by user-friendliness and excellent ergonomics. Mettler Toledo SevenGo Series SG23 Portable Meter is watertight and robust instrument with high measurement accuracy.

  spinner