Easy-to-use, waterproof conductivity meter designed for routine analysis and quality control. Simply turn on, insert, and simultaneously read result and temperature.

Lightweight, economical, and efficient handheld meters

A precise and high performance laboratory conductivity meter with GLP (Good Laboratory Practice) and AQA (Analytical Quality Assurance) supporting functions for documentation measuring results.

Backlit, rugged waterproof meter is ideal for any environment

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

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.

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

Provides intuitive, simple operation and high accuracy measurements in a compact, affordable meter. Fisherbrand accumet AB200 pH/conductivity meter combines the benefits of a pH meter and conductivity meter in one easy to use, reliable measurement system. The large backlit display offers great visibility in laboratory environments.

Easy-to-use, waterproof conductivity/TDS meter designed for routine analysis and quality control. Simply turn on, insert, and simultaneously read result and temperature.

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

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

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

For use in EC and TDS measurement. Hanna Instruments™ DiST™ 5 EC/TDS/Temperature Tester is the standard in EC and TDS measurement.

Provide advanced measurements with simple operation and offer a large, vivid color touch-screen display. Fisherbrand accumet XL600 pH/ISE/conductivity/DO benchtop meters offer advanced features with simple operation to help ensure your measurements are reliable and your laboratory processes are efficient.

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

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

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.

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

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

Compact, space-saving design with a larger, easier-to-read display

Provide advanced pH and ion measurements with simple operation and offer a large, vivid color touch-screen display. Fisherbrand accumet XL250 pH/ISE dual channel benchtop meters offer advanced features with simple operation to help ensure your measurements are reliable and your laboratory processes are efficient.

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

Reliably measure dissolved oxygen (RDO optical / polarographic) and temperature with the Thermo Scientific™ Orion™ Star A213 RDO / DO Benchtop Meter for advanced lab analysis

Designed for water applications, this meter takes the guesswork out of measurements. Fisherbrand™ Traceable™ pH/ORP Meters is ideal for testing pH and ORP in wastewater, water quality and environmental applications.

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

Take simple dissolved oxygen and temperature measurements with the Thermo Scientific™ Orion™ Star A123 DO Portable Meter with easy operation for basic field testing