Shop All Electrochemistry Meters and Accessories

Russell Sensing Half Cell Electrodes (Thermo Scientific™)

Measure pH and ORP with increased accuracy using these sensing half cell electrodes; used in preference to combination electrodes for specialist applications.

Orion™ Dual Star™ pH, ISE, mV, ORP and Temperature Dual Channel Benchtop Meter (Thermo Scientific™)

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.

Orion Star™ A222 Conductivity Portable Meter (Thermo Scientific™)

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

Orion™ Ion Selective Electrode Accessories (Thermo Scientific™)

Use Thermo Scientific™ Orion™ Ion Selective Electrode Accessories for solid state and plastic membrane ion selective electrodes.

Orion Star™ A323 Dissolved Oxygen Portable Meter (Thermo Scientific™)

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

Orion™ 9826BN Micro pH Electrode (Thermo Scientific™)

Accurately measure pH in NMR cells with the Thermo Scientific™ Orion™ 9826BN Micro pH Electrode.

Orion Star™ A221 pH Portable Meter (Thermo Scientific™)

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

Orion™ Fluoroborate Sensing Module for 9305BN Fluoroborate Half-Cell Ion Selective Electrode (Thermo Scientific™)

Measure fluoroborate ions in aqueous solutions quickly, simply, accurately and economically using the Fluoroborate Half-Cell Ion Selective Electrode and its accessories and replacement parts.

Orion™ IQ/OQ Documentation (Thermo Scientific™)

Orion™ IQ/OQ Documentation are valid for Orion™ Dual Star meters, Star A2 And Star A3 Series Meters, and Versa Star meters.

Orion™ Redox/ORP/Temp Electrodes (Thermo Scientific™)

Efficiently measure ORP and temperature simultaneously without a separate reference electrode in a single instance.

Orion™ Ammonium Sensing Module for 9512BNWP Ammonia Gas Sensing Ion Selective Electrode (Thermo Scientific™)

Get quick, reliable and accurate measurements of dissolved ammonia in aqueous solutions with the Thermo Scientific™ Orion™ Ammonia Gas Sensing ISE and its accessories and replacement parts.

Orion Star™ A223 Dissolved Oxygen Portable Meter (Thermo Scientific™)

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

Russell Quickflush Electrodes (Thermo Scientific™)

Conduct ISE work or work with dirty/viscous samples using stable, reproducible and non-cloggingThermo Scientific™ Russell Quickflush Electrodes.

Orion™ Fluoride Electrodes (Thermo Scientific™)

Quickly, simply, accurately and economically measure free fluoride ions in aqueous solutions with the combination Thermo Scientific™ Orion™ Fluoride Electrodes.

Orion™ 8102BNUWP ROSS Ultra™ pH Electrode (Thermo Scientific™)

Conduct precise pH determinations with this general purpose, top performance glass body combination electrode with waterproof BNC connector.

Orion Star T900 Series Titrator Accessories (Thermo Scientific™)

Easy to install Orion Star T900 series titrator replacement parts minimize maintenance downtime and Orion Star T900 series titrator accessories expand functionality

Orion™ Automatic Stirrer Probe and Paddle (Thermo Scientific™)

Use the Thermo Scientific™ Orion™ Star Stirrer Probe with Orion™ benchtop meters to stir solutions for better accuracy without the difficulty of using a stir plate and bar

Orion™ Industrial Reference Electrodes (Thermo Scientific™)

Use Thermo Scientific™ Orion™ Industrial Reference Electrodes, which are provided with an internal filling solution.

Orion Star™ A214 pH/ISE Benchtop Meter (Thermo Scientific™)

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

Orion™ BOD Adapters for Polarographic Dissolved Oxygen Probes (Thermo Scientific™)

Help ensure proper and optimal probe performance with the Thermo Scientific™ Orion™ BOD Adapters for Polarographic Dissolved Oxygen Probes.

Orion™ Fluoroborate Half-cell (Thermo Scientific™)

Easily and economically rejuvenate the Thermo Scientific™ Orion™ Fluoroborate Half-cell.

Orion™ Three-Electrode Conductivity Cell (Thermo Scientific™)

Measure samples with the utmost versatility using this 3-electrode conductivity cell, which has high, standard and low conductivity measuring ranges.

Orion Star™ A324 pH/ISE Portable Multiparameter Meter (Thermo Scientific™)

Accurately monitor pH, ion concentration, mV, ORP and temperature with the Thermo Scientific™ Orion™ Star A324 pH / ISE Portable Meter for challenging field testing

Orion™ Versa Star Pro™ Conductivity Benchtop Meter (Thermo Scientific™)

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

Orion™ Bromide Electrodes (Thermo Scientific™)

Measure bromide ions in aqueous solutions quickly, simply, accurately and economically with Thermo Scientific™ Orion™ Bromide Electrodes.

Orion™ 2-Electrode Conductivity Cells (Thermo Scientific™)

Perform applications in either the lab or the field with these versatile 2-electrode conductivity cells, available in a variety of materials and measurement ranges.

Eutech™ Conductivity/Resistivity ECCS10-0-01S Process Electrode (Thermo Scientific™)

Get quick and accurate conductivity measurements in the field, laboratories, and schools.

Orion™ Gas-Sensing ISE membranes (Thermo Scientific™)

Choose from loose or preassembled membranes for ease of use with Thermo Scientific™ Orion™ Gas-Sensing ISE membranes.

Orion™ 800500U ROSS Ultra™ Reference Electrode (Thermo Scientific™)

Perform precise pH determinations for routine or research work with the Thermo Scientific™ Orion™ 800500U ROSS Ultra™ Reference Electrode.

Orion™ Potassium Electrodes (Thermo Scientific™)

Measure potassium in aqueous solutions simply, accurately and economically with these electrodes.

Orion™ 8102BN ROSS™ Combination pH Electrode (Thermo Scientific™)

Get stable readings to 0.01 pH in less than 30 seconds with the Thermo Scientific™ Orion™ 8102BN ROSS™ Combination pH Electrode.

Orion Star™ A111 Benchtop pH Meter (Thermo Scientific™)

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

Orion™ AutoTration™ 500 Autosampler Accessories (Thermo Scientific™)

Maintain automated sample analysis with accessories for the legacy Thermo Scientific™ Orion™ AutoTration 500 Autosampler

Orion™ 927005MD Epoxy ATC Probe (Thermo Scientific™)

Get fast, accurate measurements in the lab or field. The Thermo Scientific™ Orion™ Epoxy ATC Probe automatically corrects pH measurements for variation in electrode slope due to temperature change.

Orion Star™ A215 pH/Conductivity Benchtop Multiparameter Meter (Thermo Scientific™)

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

Orion™ Cyanide Electrodes (Thermo Scientific™)

Measure cyanide ions in aqueous solutions quickly, simply, accurately and economically with the Thermo Scientific™ Orion™ Cyanide Electrodes.

Elite pH Spear Pocket Testers and Replacement Sensors (Thermo Scientific™)

Flexible on-the-go pH testing using durable Elite spear pocket testers with replaceable sensors for a variety of applications include food, beverage, agriculture and more!

Orion™ ROSS™ Sure-Flow™ pH Electrode with Sure-flow junction, BNC connector (Thermo Scientific™)

Measure general pH samples as well as viscous or colloidal samples with the Thermo Scientific™ Orion™ 8172BNWP ROSS™ Sure-Flow™ pH Electrode.

Orion™ Industrial Ion Selective Electrodes (Thermo Scientific™)

Ensure accurate results for your most important measurements with Thermo Scientific™ Orion™ Industrial Ion Selective Electrodes.

Orion™ 900200 Sure-Flow™ Reference Half-Cell Electrode (Thermo Scientific™)

Perform ISE determinations with the Thermo Scientific™ Orion™ 900200 Sure-Flow™ Reference Half-Cell Electrode, a double junction reference electrode.

Orion Star™ A329 pH/ISE/Conductivity/Dissolved Oxygen Portable Multiparameter Meter (Thermo Scientific™)

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

Orion™ Nitrate Electrodes (Thermo Scientific™)

Measure nitrate in aqueous solutions simply, accurately and economically with Thermo Scientific™ Orion™ Nitrate Electrodes.

Orion™ Ion Specific Electrode Kits (Thermo Scientific™)

Ensure correct measurement by using high quality electrodes and reagents for ion specific measurement. Ordering is easy! All the consumables you need to measure fluoride or ammonia in water and wastewater are available with one part number. Now with NEW 0.5 ppm and 5.0 ppm Fluoride Standards with TISAB II for low level fluoride analysis

Elite CTS Conductivity / TDS / Salinity Cup-sensor Pocket Testers and Replacement Sensors (Thermo Scientific™)

Flexible on-the-go conductivity, TDS, salinity and temperature testing using durable Elite CTS cup-sensor pocket testers for a variety of applications including agriculture, aquariums and more!

Orion™ Dissolved Oxygen Electrodes (Thermo Scientific™)

Use Thermo Scientific™ Orion™ Dissolved Oxygen Electrodes to assist in BOD measurements. Includes membrane module, O-ring and internal fill solution.

Orion™ Star Series Portable Meter Soft-Sided Field Case (Thermo Scientific™)

Protect meters, electrodes, solution and beakers under field conditions with the cushioned Thermo Scientific™ Orion™ Star Series Portable Meter Soft‐Sided Field Case

Orion™ Triode™ 3-in-1 pH/ATC Probe (Thermo Scientific™)

Operate this highly-versatile probe in either the field or a plant.

Orion™ Versa Star Pro™ pH/Conductivity Multiparameter Benchtop Meter (Thermo Scientific™)

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

Orion™ Cadmium Electrodes (Thermo Scientific™)

Measure cadmium ions in aqueous solutions quickly, simply, accurately and economically.

Orion™ 917001 Epoxy ATC Probe (Thermo Scientific™)

Get fast, accurate measurements in lab or field with this ATC Probe, which automatically corrects pH measurements for variation in electrode slope due to temperature change.

Orion™ 815600 ROSS™ Combination pH Electrode

Get results three to five times more precise than those obtained with conventional electrodes with the Thermo Scientific™ Orion 815600 ROSS Combination pH Electrode.

Orion™ DuraProbe™ 4-Electrode Conductivity Cells (Thermo Scientific™)

Virtually eliminate fringe field interference errors with the Thermo Scientific™ Orion™ DuraProbe™ 4-Electrode Conductivity Cells.

Accessories for Orion™ pH Electrodes (Thermo Scientific™)

Store and protect your pH electrodes.

Orion™ Green pH Combination Electrodes (Thermo Scientific™)

Go environmentally friendly by choosing one of the first lab pH electrodes to meet RoHS requirements.

Orion Star T910 pH Titrator and Kits (Thermo Scientific™)

We have integrated our core electrochemistry technology with a state-of-the-art dispensing system to create the Orion Star T910 pH titrator, a modern, simplified automated system designed to help make performing titrations easier, more reliable and more reproducible than manual titrations.

Orion Star™ A321 pH Portable Meter (Thermo Scientific™)

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

Orion™ Calcium Electrodes (Thermo Scientific™)

Measure calcium in aqueous solutions simply, accurately and economically with the Thermo Scientific™ Orion™ Calcium Electrodes.

Orion™ 9104BNWP Combination pH Electrode (Thermo Scientific™)

Carry out everyday lab work with this durable electrode, which includes silver/silver chloride references widely used because of their accuracy and broad temperature range.

Orion™ Standard Epoxy DO Probe for the lab or field (Thermo Scientific™)

Use this versatile product as the name implies, either in the lab or field. Allows reliable results no matter what the environment.

Orion™ Low Resistance pH Electrode, with BNC waterproof connector (Thermo Scientific™)

Use the Thermo Scientific™ Orion™ 9162BNWP Low Resistance pH Electrode in viscous solutions.