Shop All ISE and Multiparameter Electrodes

Orion™ Calcium Electrodes (Thermo Scientific™)

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

Orion™ Cyanide Electrodes (Thermo Scientific™)

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

Orion™ Silver/Sulfide Electrodes (Thermo Scientific™)

Make quick, simple, accurate and economical measurement of silver and sulfide ions in aqueous solutions with these electrodes.

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™ Chloride Electrodes (Thermo Scientific™)

Measure free chloride in the range of 1 x 10-5M to 1M with the Thermo Scientific™ Orion™ Chloride Electrodes.

Orion™ Industrial Reference Electrodes (Thermo Scientific™)

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

Orion™ High-Performance Ammonia Electrode (Thermo Scientific™)

Obtain a more linear response at lower levels and improved response time in ammonia measurements with the Thermo Scientific™ Orion™ High-Performance Ammonia Electrode.

Orion™ Lead Electrodes (Thermo Scientific™)

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

Orion™ Iodide Electrodes (Thermo Scientific™)

Get fast and stable readings using Thermo Scientific™ Orion™ Iodide Electrodes.

Orion™ Industrial Ion Selective Electrodes (Thermo Scientific™)

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

Orion™ Silver Billet Electrodes (Thermo Scientific™)

Acquire an accurate determination of potentiometric halides with dual electrodes using Thermo Scientific™ Orion™ Silver Billet Electrodes.

Orion™ Potassium Electrodes (Thermo Scientific™)

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

Orion™ Cupric Electrodes (Thermo Scientific™)

Measure cupric ions in aqueous solutions quickly, simply, accurately and economically with these cupric electrodes.

Orion™ Thiocyanate Half-Cell Electrode (Thermo Scientific™)

Perform quick, accurate, and economical measurement of thiocyanate ions in aqueous solutions with the Thermo Scientific™ Orion™ Thiocyanate Half-cell.

K-Series ORP and Reference Electrodes (Thermo Scientific™)

Perform ORP measurements with these high-accuracy, high-performance electrodes.

Orion™ Nitrate Electrodes (Thermo Scientific™)

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

Orion™ Sodium Electrodes (Thermo Scientific™)

Measure sodium in aqueous solution quickly, accurately and economically with Thermo Scientific™ Orion™ Sodium 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™ Bromide Electrodes (Thermo Scientific™)

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

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

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

Orion™ Chlorine Electrodes (Thermo Scientific™)

Measure total residual chlorine quickly and accurately with these Chlorine electrodes.

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™ 9502BNWP Carbon Dioxide Electrode (Thermo Scientific™)

Measure carbon dioxide, carbonate and bicarbonate in aqueous solutions quickly and accurately with the Thermo Scientific™ Orion™ 9502BNWP Carbon Dioxide Electrode.

Orion™ Fluoroborate Half-cell (Thermo Scientific™)

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

Orion™ Ammonia Gas Sensing ISE Electrodes (Thermo Scientific™)

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

Orion™ Surfactant Half-Cell

Conduct end point detection in titrations of anionic or cationic surfactants in a solution with the Thermo Scientific™ Orion™ Surfactant Half-Cell.

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™ Cadmium Electrodes (Thermo Scientific™)

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