Shop All pH Electrodes

Orion™ 800500U ROSS Ultra™ Reference Electrode (Thermo Scientific™)

Perform precise pH determinations for routine or research work with the Thermo Scientific™ Orion™ 800500U ROSS Ultra™ Reference Electrode.

Orion™ 9156BNWP Combination pH Electrode (Thermo Scientific™)

Perform routine pH measurements under rugged conditions using the Thermo Scientific™ Orion™ 9156BNWP Combination pH Electrode.

Orion™ 917001 Epoxy ATC Probe (Thermo Scientific™)

Get fast, accurate measurements in lab or field with this ATC Probe, which automatically corrects pH measurements for variation in electrode slope due to temperature change.

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.

Orion™ 8135BNUWP ROSS Ultra™ pH Electrode (Thermo Scientific™)

Precisely conduct pH determinations with the top performance, epoxy body combination Thermo Scientific™ Orion™ 8135BNUWP ROSS Ultra™ pH Electrode.

Orion™ Model 91-72 Sure-Flow pH Electrode (Thermo Scientific™)

The Thermo Scienitfic™ Orion Model 91-72 Sure-Flow pH Electrode is a chemical resistant glass body combination electrode for clog-free measurements of soil, sludge, colloids, and viscous material.

Orion™ 8156BNUWP ROSS Ultra™ pH Electrode (Thermo Scientific™)

Precisely perform pH determinations with this general purpose, top performance, epoxy body combination electrode.

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™ 8175BNWP ROSS™ Sure-Flow™ pH Electrode (Thermo Scientific™)

Measure general pH samples as well as viscous or colloidal samples with the Thermo Scientific™ Orion™ 8175BNWP ROSS™ Sure-Flow™ pH Electrode.

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™ 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™ 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™ 9863BN Micro pH Electrode (Thermo Scientific™)

Measure pH by piercing septa with the Thermo Scientific™ Orion™ 9863BN Micro pH Electrode, a bevel needle-tipped 16-gauge glass body combination electrode.

Orion™ 8103BN ROSS™ Combination Semi-micro pH Electrode (Thermo Scientific™)

Receive stable readings to 0.01 pH in less than 30 seconds with the Thermo Scientific™ Orion™ 8103BN ROSS™ Combination Semi-micro pH Electrode.

Orion™ 8104BNUWP ROSS Ultra™ pH Electrode (Thermo Scientific™)

Obtain precise pH determinations and a toughened bulb for rugged lab use with the Thermo Scientific™ Orion™ 8104BNUWP ROSS Ultra™ pH Electrode.