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

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

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

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

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

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

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

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

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

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

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

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

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

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.

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

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

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

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

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