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

For use with virtually any electrode that shares same connector

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

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

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.

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

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

Accurate measurements any time, anywhere

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

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

Accurate measurements any time, anywhere

Accurate measurements any time, anywhere

Compact, with large dual-display LCD

For use with virtually any electrode that shares same connector

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

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

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

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

An affordable way to take consistent, accurate conductivity measurements in your 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

Various pH buffers for pH probe calibration.

Accurate measurements any time, anywhere

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

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).

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

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

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

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

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