An innovative, mercury-free and extremely reliable solution for BOD analysis. Velp Scientifica™ BOD Sensor System 6 offers measurements on scales of 90, 250, 600 and 999 ppm BOD.

Lightweight, economical, and efficient handheld meters

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

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

Monitor process applications in chemistry, food and beverage, Life Science and pharmaceutical industries. WTW™ ProfiLine™ pH/Cond 3320 Universal Multi-parameter Portable Meter features a backlit graphic display for the parallel display of the measured values.

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

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.

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.

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

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

This well-designed meter is the perfect choice for a wide range of applications without overstretching your budget. Mettler Toledo™ S210 SevenCompact™ pH, mV/ORP-Kit can also measure ORP.

Used as a CO₂ absorber.

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

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

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

Get premium performance and flexibility with the Thermo Scientific™ Orion™ Versa Star Pro™ Meter with DO / RDO Module for dissolved oxygen (optical / polarographic) and temperature

Accurate measurements any time, anywhere

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

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

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

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.

Take simple dissolved oxygen and temperature measurements with the Thermo Scientific™ Orion™ Star A113 DO Benchtop Meter with easy operation for basic lab testing

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

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