Compact, rugged design with large, easy-to-read digits. Fisherbrand Traceable Portable Dissolved Oxygen Meter Pen has a water-resistant design with O-ring seal and membrane keypad which assures a long life in severe lab or harsh plant environments.

Reliably measure pH, conductivity and temperature with the Thermo Scientific™ Orion™ Star A215 pH / Conductivity Benchtop Meter for advanced lab analysis and interfacing

Take simple conductivity, TDS and temperature measurements with the Thermo Scientific™ Orion™ Star A112 Benchtop Conductivity Meter with easy operation for basic lab testing

Get premium performance and flexibility with the Thermo Scientific™ Orion™ Versa Star Pro™ Meter with pH and Conductivity Modules for simultaneous pH, conductivity, and temperature

Intuitive touchscreen operation and high measurement performance combined with a complete security package for safe results and solid compliance. Mettler Toledo SevenExcellence S470 pH/Conductivity Meters handle complex applications and meets stringent regulatory requirements.

Lightweight, economical, and efficient handheld meters

Backlit, rugged waterproof meter is ideal for any environment

Versatile handheld instrument for pH, DO, conductivity and ISE measurements

Provide intuitive, simple operation and high accuracy measurements in a compact, affordable meter. Fisherbrand accumet AB150 pH benchtop meters have large backlit display which offers great visibility in laboratory environments. The accumet AB150 pH meter is an industry favorite for when reliability and consistency in measurements matter.

Offers accuracy with 1, 2 or 3 point conductivity calibration across the wide measurement range of 0 to 19.99S. Jenway™ 4520 Conductivity Meter without Probe ensures optimum accuracy with a dedicated “pure water” mode.

Accurate measurements any time, anywhere

Reliably measure conductivity, TDS, salinity, resistivity and temperature with the Thermo Scientific™ Orion™ Star A222 Conductivity Portable Meter for advanced field analysis

Ideal for checking the purity of water from stills, deionizers, and reverse osmosis, testing laboratory glassware rinsing, measuring total dissolved solids, and making solutions.

The ultimate tester for pH, conductivity, TDS, salinity and temperature

Measures conductivity, resistivity, dissolved solids, salinity, concentration, and temperature; includes certificate of traceability to standards provided by NIST™.

Accurately measure pH, conductivity and temperature with the Thermo Scientific™ Orion™ Star A325 pH / Conductivity Portable Meter for high performance in challenging field tests

Provides intuitive, simple operation and high accuracy measurements in a compact, affordable meter. Fisherbrand accumet AB250 pH/ISE meter provides flexible measurements of pH or ion concentration using an ion selective electrode (ISE) in one easy to use, reliable measurement system.

Measures salinity, resistivity, total dissolved solids and conductivity ash. Mettler Toledo S230 SevenCompact Conductivity Meter is ideally suited for sugar analysis. The meter also supports special units required for bioethanol analysis and accepts sensor cells for accurate low conductivity/pure water measurement.

Portable meter provides reliable and high quality conductivity measurements with simple click of a button

Take simple conductivity, TDS and temperature measurements with the Thermo Scientific™ Orion™ Star A122 Conductivity Portable Meter with easy operation for basic field testing

Provide advanced pH and ion measurements with simple operation and offer a large, vivid color touch-screen display. Offer advanced features with simple operation to ensure measurements are reliable and laboratory processes are efficient.

Get premium performance and ultimate flexibility with the Thermo Scientific™ Orion™ Versa Star Meter with pH / ISE Module for pH, ion concentration, and temperature

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

Provides direct digital readings of conductivity, resistivity and dissolved solids. Fisherbrand Traceable Conductivity, Resistivity, and TDS Meters are ideal for measuring reagent-grade water to meet CAP, ASTM, NCCLS, and ACS specifications as well as for measuring conductivity in chromatography, biology, food, electronics, and water analysis. All readings automatically referenced to the international standard of 25°C.

Accurately monitor conductivity, TDS, salinity, resistivity and temperature with the Thermo Scientific™ Orion™ Star A322 Conductivity Portable Meter for challenging field tests

Accurately monitor pH, ion concentration, mV, ORP and temperature on two channels with the Thermo Scientific™ Orion™ Dual Star pH / ISE Benchtop Meter for advanced lab analysis.

Accurately measure pH, ion concentration, conductivity, dissolved oxygen and temperature with the Thermo Scientific™ Orion™ Star A329 pH/ISE/Conductivity/RDO/DO Portable Meter

Get premium performance and flexibility with the Thermo Scientific™ Orion™ Versa Star Pro™ Meter with Conductivity Module for conductivity, TDS, salinity, resistivity and temperature