A wide selection of pH electrodes designed to measure samples as small as 0.5 mL.

Recommended for use in test tubes or small containers

Recommended for use in small test tubes or micro-titer plates.

Recommended for use in gels or smaller sample volumes.

Designed for NMR cells

Micro electrode designed for piercing septa.

The Thermo Scientific Orion 9802BN Micro pH Electrode is a glass body combination electrode for pH measurements in micro volume samples.

The Thermo Scientific Orion 9803BN Micro pH Electrode is a small length glass body combination electrode for pH measurements in micro volume samples.

The Thermo Scientific Orion 9810BN Micro pH Electrode is a small tipped glass combination electrode for pH measurements in micro volume samples.

The Thermo Scientific Orion 9826BN Micro pH Electrode is a long length glass combination electrode designed for NMR cells.

The Thermo Scientific Orion 9863BN Micro pH Electrode is a bevel needle tipped glass body combination electrode for pH measurements.

The Thermo Scientific Orion PerpHecT ROSS Combination pH Micro Electrode is a refillable glass double junction ROSS micro pH electrode designed specifically to measure micro volume samples.

The Thermo Scientific Russell Quickflush electrodes are best for ISE work, stable and reproducible and non-clogging.