For use with virtually any electrode that shares same connector

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

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

Simplicity with Oakton™ reliability

Accurate measurements any time, anywhere

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

Accurate measurements any time, anywhere

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

550 portable pH meter supplied in carry case with epoxy combination pH electrode, ATC probe and batteries. A small, lightweight general purpose pH meter offering 2 point pH calibration and automatic buffer recognition. Simultaneously displays both the temperature compensated pH readings and temperature.

Intuitive touchscreen operation and high measurement performance combined with a complete security package for safe results and solid compliance. Mettler Toledo SevenExcellence S400 pH/mV Meter is a single-channel instrument which is modularly expandable with additional measurement parameters at any time — conductivity, ion or dissolved oxygen.

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

For use with virtually any electrode that shares same connector

Analyze your samples on-site with these portable meters. Analog TDS meters are easy-to-operate meters for municipal, commercial, and industrial water quality control, chemical concentration testing, and process control.

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

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

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

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

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

Measures Conductivity, Salinity, TDS and Temperature. The SD 300 series is a range of waterproof hand-held meters for drinking water, cooling and boiler water, waste water, pool water and surface water applications.

Compact, with large dual-display LCD

Accurate measurements any time, anywhere

Accurate measurements any time, anywhere

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

570 portable pH, mV meter supplied in carry case with epoxy combination pH electrode, ATC probe and batteries. Is a general purpose pH, mV and temperature meter with an integrated rubber seal to ensure that it’s completely waterproof. This model displays either temperature compensated pH readings or electrode potential and temperature.

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

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

Designed for simplicity of use. Hanna Instruments™ Benchtop pH/mV Meter with Manual Calibration is a basic, affordable pH/mV benchtop meter with a large, easy-to-read LCD that displays pH or mV readings that are manually compensated and supplied with the HI1332B pH electrode.

3520 pH/temp meter with glass combination pH electrode, stand and holder, ATC probe, BNC shorting plug, EU power supply offers research grade specifications with a comprehensive range of features and functions, making it suitable for the broadest range of research, general laboratory, QC and GLP based applications.