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

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

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

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

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

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

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

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

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

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

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

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

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.

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).

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

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

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

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

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

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

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

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

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

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.

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

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

Combined ion-sensitive electrode with solid membrane interchangeable flat surface, is ideal for measuring temperatures between 0 to 50 ° C.

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