Get an “All-In-One Solution” with SevenGo™ perfectION Combined ISE Electrodes. The brilliant Click & Clear™ press mechanism allows for quick cleaning and ensures stable readings even in difficult samples.

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

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

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

Ion selective perchlorate electrode with a reproducibility greater than 2%.

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

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

Typical applications include water/wastewater, soil, dairy, meats, tomato/vegetable products.

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

Converts activity of a specific ion dissolved in a solution into an electrical potential. Fisherbrand™ Combined Ion-Selective Electrode is compatible with all pH/mV meters or ionometers.

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

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

Fast, precise measurements of calcium, nitrate and potassium ion in aqueous solutions over a wide range of concentrations

Fast and accurate Ion-selection electrodes do not require an external reference—they're easier to use than separate sensing and reference half-cell electrodes.

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

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

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

Combined ion-sensitive bromide electrode with solid membrane interchangeable flat surface is ideally delivered with membrane, electrolytic solution and gasket.

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

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

For ammonia and carbon dioxide analyses; tough, chemical-resistant body; permanently bonded membrane/cap assembly—no difficult user assembly required

For bromide, chloride, copper, cyanide, fluoride, lead and silver/sulfide determinations

Combined ion-sensitive electrode with solid membrane interchangeable flat surface where ideally calibration should be carried out as often as possible (Less than once a day).

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

This unique combined ion-sensitive electrode with a solid membrane interchangeable flat surface, with an analysis time generally less than one minute, is rarely necessary to have filtering or distillation sample preparation steps.

Ideal for samples containing TRIS buffers, sulfides and more. Thermo Scientific™ Eutech pH Electrode includes easy-to-operated fill hole sleeve mechanism.

Combination ISE for determination of sodium ion concentration

Ion selective combination pH electrode with a reproducibility better than 2%.