Combination Ion Selective Electrodes

Measure free fluoride ions in aqueous solutions quickly, simply, accurately, and economically with Thermo Scientific™ Orion™ Fluoride Electrodes. 9609BNWP is a combination electrode with a Sure-Flow™ junction that allows easy cleaning.

Measure nitrate in aqueous solutions simply, accurately and economically with Thermo Scientific™ Orion™ Nitrate Electrodes. A separate reference electrode is unnecessary with this electrode, making it convenient to use with small sample volumes.

Measure sodium in aqueous solutions quickly, accurately and economically with Thermo Scientific™ Orion™ Sodium Electrodes. A unique redox internal system with a Thermo Scientific™ Orion™ ROSS™ electrode provides faster response, and greater stability and accuracy than conventional sodium electrodes.

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

Easily and reliably analyze free chloride ions in aqueous solutions. Provides quick, accurate and economical measurements. 9617BNWP is a combination electrode with a Sure-Flow™ junction that allows easy cleaning.

Measure potassium ions in aqueous solutions simply, accurately and economically with Thermo Scientific™ Orion™ Potassium Electrodes. 9719BNWP is a combination electrode with a Sure-Flow™ junction. When conventional electrode junctions clog, the Sure-Flow junction can be opened and flushed clean...

Measure carbon dioxide, carbonate and bicarbonate in aqueous solutions quickly and accurately with the Thermo Scientific™ Orion™ 9502BNWP Carbon Dioxide Electrode. It features a gas-permeable membrane technology for use with loose membranes Cat. No. 950204 Membranes (4) with O-rings.

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

Get fast and stable readings using Thermo Scientific™ Orion™ Iodide Electrodes with built-in Thermo Scientific™ Sure-Flow™ reference. Combination design decreases the amount of required sample and reduces waste.

Efficiently measure ORP and temperature simultaneously without a separate reference electrode in a single instance. Thermo Scientific™ Orion™ Redox/ORP/Temp Electrodes measure ORP and temperature using a platinum redox sensor, a silver/silver chloride internal reference system and a built-in...

Measure total residual chlorine quickly and accurately with Thermo Scientific™ Orion™ Chlorine Electrodes. All forms of total residual chlorine (free chlorine, hypochlorites and chlorine bound to nitrogenous compounds) are measured.

Measure cupric ions in aqueous solutions quickly, simply, accurately and economically with the Thermo Scientific™ Orion™ Cupric Electrodes. 9629BNWP is a combination electrode with a Sure-Flow™ junction that allows easy cleaning.

Measure cyanide ions in aqueous solutions quickly, simply and economically with Thermo Scientific™ Orion™ Cyanide Electrodes. No separate reference electrode is needed with this electrode, making it convenient to use with small sample volumes.

Perform ORP measurements with these high-accuracy, high-performance Thermo Scientific™ K-Series ORP and Reference Electrodes.

Measure cadmium ions in aqueous solutions quickly, simply and economically with the Thermo Scientific™ Orion™ Cadmium Electrodes. 9648BNWP is a combination electrode with a Sure-Flow™ junction that allows easy cleaning.