Shop All pH Electrodes

Large O-ring for Eutech™ ECDOGEN-S and ECDOTPII-S Dissolved Oxygen Electrodes (Thermo Scientific™)

Thermo Scientific™ offers Large O-ring replacement parts for ECDOGEN-S and ECDOTPII-S Dissolved Oxygen Electrodes.

Russell Quickflush Electrodes (Thermo Scientific™)

Conduct ISE work or work with dirty/viscous samples using stable, reproducible and non-cloggingThermo Scientific™ Russell Quickflush Electrodes.

Orion™ 8102BN ROSS™ Combination pH Electrode (Thermo Scientific™)

Get stable readings to 0.01 pH in less than 30 seconds with the Thermo Scientific™ Orion™ 8102BN ROSS™ Combination pH Electrode.

Orion™ ROSS Ultra™ Refillable pH/ATC Triode™ Combination Electrodes for Orion Series Meters (Thermo Scientific™)

Measure biological media, pharmaceuticals, foods and more with Thermo Scientific™ Orion™ ROSS Ultra™ Refillable pH/ATC Triode™ Combination Electrodes.

Orion™ 900200 Sure-Flow™ Reference Half-Cell Electrode (Thermo Scientific™)

Perform ISE determinations with the Thermo Scientific™ Orion™ 900200 Sure-Flow™ Reference Half-Cell Electrode, a double junction reference electrode.

Orion™ Green pH Combination Electrodes (Thermo Scientific™)

Go environmentally friendly by choosing one of the first lab pH electrodes to meet RoHS requirements.

Orion™ 8102BNUWP ROSS Ultra™ pH Electrode (Thermo Scientific™)

Conduct precise pH determinations with this general purpose, top performance glass body combination electrode with waterproof BNC connector.

Orion™ Low Resistance pH Electrode, with BNC waterproof connector (Thermo Scientific™)

Use the Thermo Scientific™ Orion™ 9162BNWP Low Resistance pH Electrode in viscous solutions.

Orion™ 9107BN Triode™ 3-in-1 pH/Automatic Temperature Compensation Probe (Thermo Scientific™)

Operate the highly-versatile Thermo Scientific™ Orion™ 9107BN Triode™ 3-in-1 pH/Automatic Temperature Compensation Probe in either the field or a plant.

Orion™ Metallic Combination Electrodes (Thermo Scientific™)

Perform accurate Karl Fischer titrations with double platinum Thermo Scientific™ Orion™ Metallic Combination Electrodes.

Orion™ 9103BNWP Combination pH Electrode (Thermo Scientific™)

Conduct applications with the accuracy and broad temperature range of this pH electrode, which includes widely used silver/silver chloride references.

Orion™ 9826BN Micro pH Electrode (Thermo Scientific™)

Accurately measure pH in NMR cells with the Thermo Scientific™ Orion™ 9826BN Micro pH Electrode.

Orion™ ROSS Ultra™ Glass Triode™ pH/ATC Combination Electrodes (Thermo Scientific™)

No more waiting for pH readings to stabilize when measuring samples of varying temperatures.

Orion™ 9810BN Micro pH Electrode (Thermo Scientific™)

Measure pH as low as 0.5μL samples in gels or micro containers with this small-tipped glass combination electrode for pH measurements in micro volume samples.

Orion™ 9102BNWP Combination pH Electrode (Thermo Scientific™)

Conduct accurate Q.C. and research work with the general purpose Thermo Scientific™ Orion™ 9102BNWP Combination pH Electrode.