Portable pH Meters

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™ 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

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

For accurate measurements anytime, anywhere.

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

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

Oakton™ Waterproof pH 150 Portable Meter

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

Fisher Scientific™ accumet™ AP110 Portable pH Meter Kit Available on GSA/VA Contract for Federal Government customers only.

Accurate measurements any time, anywhere

Fisher Scientific™ accumet™ AP110 Portable pH Meter Available on GSA/VA Contract for Federal Government customers only.

Accurate measurements any time, anywhere

Oakton™ Waterproof pH 450 Portable Meter

Rugged design with backlit display for use in any environment

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

Accurate measurements any time, anywhere

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.

Oakton™ Handheld Ion Meters

Rugged, compact meters with high accuracy

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

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

Mettler Toledo™ FiveGo™ F2 pH/mV Meters

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

Oakton™ pH 6+ Meter Kit

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

Oakton™ pHTestr™ BNC 10 Products for Science Education

Customizable to your application — use with any pH electrode with a BNC connector.

Oakton™ Handheld pH Meters

Rugged, compact meters with high accuracy

Oakton™ Waterproof Big Display pHTestr™ 10 BNC

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

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.

Oakton™ Waterproof Big Display pH Spear

Pocket pH meter with spear tip for soft solids

Oakton™ Waterproof Big Display phTestr™ 10

Pocket pH meter with large display makes taking readings easy

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™ Waterproof pH 150 Portable Meter Products for Science Education

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

Oakton™ Waterproof Big Display pHTestr™ 30

Dual Display of pH and Temperature plus high accuracy

Oakton™ Replacement Sensor for Waterproof pHTestr™

Replacement sensor for WP pHTestr 3, 3+, 10, 20, and 30.

Oakton™ Waterproof Big Display pHTestr™ 20

High ±0.01 pH accuracy in a waterproof pocket-sized instrument

Oakton™ PCTestr 35 Products for Science Education

One-press parameter toggle.

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.

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