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

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

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

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

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

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

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

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.

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

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

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

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.

Reliably measure dissolved oxygen (optical / polarographic) and temperature with the Thermo Scientific™ Orion™ Star A223 RDO / DO Portable Meter for advanced field analysis

Reliably measure conductivity, TDS, salinity, resistivity and temperature with the Thermo Scientific™ Orion™ Star A212 Conductivity Benchtop Meter for advanced lab analysis

Get premium performance and flexibility with the Thermo Scientific™ Orion™ Versa Star Pro™ Meter with pH / ISE, Conductivity and RDO / DO Modules to measure up to 4 channels at once

Ideal for quick and accurate pH checks in pools and spas, aquariums and hydroponics operations, or anywhere frequent pH testing is required. pHTestr 30 meets requirements for many standard environmental and ASTM test methods

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

Accurately monitor dissolved oxygen (optical / polarographic) and temperature with the Thermo Scientific™ Orion™ Star A323 RDO / DO Portable Meter for challenging field testing

Accurately measure pH, dissolved oxygen and temperature with the Thermo Scientific™ Orion™ Star A326 pH / DO / RDO Portable Meter for high performance in challenging field tests

Reliably measure pH, ion concentration, mV, ORP and temperature with the Thermo Scientific™ Orion™ Star A214 pH / ISE Benchtop Meter for advanced lab analysis and interfacing

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