Laboratory pH Electrodes

Sensorex offers a comprehensive selection of laboratory pH electrodes to meet your most demanding analysis requirements. Soaker storage bottles or caps ensure that the electrodes are instantly ready for use.

Single and Double Junction Designs

Single and double junction models are available, as well as our new calomel free reference.  Select the double junction

or calomel free models if you are working with materials which interact with silver (Ag). (sulphur or heavy metal compounds).

Choose Your Model

Models include standard size, calomel free, research grade, flask size, semi-micro size, spear-tip, 3-in-1, flat surface, and specialty low volume flow cells.

Laboratory pH Electrode Selection Guide

If you need some help selecting the proper pH electrode for your needs, see our Laboratory pH electrode selection guide, or contact Sensorex for assistance. Alco you can try our cross reference guide.

Sensorex plastic body pH electrodes are constructed of epoxy.  Bulb protection is standard.  See pH Electrode Selection Guide for more information.

Glass Body electrodes feature ruggedized hemispherical bulbs as standard.  See pH Electrode Selection Guide for more information.

Research Grade electrodes utilize our pHASE technology for rapid thermal equilibration and stability.
Calomel Free pH electrodes offer a mercury free replacement for calomel electrode applications such as biological samples.

3-in-1 electrodes incorporate an Automatic Temperature Compensation element and can be supplied to match your pH meter's requirements.

Spear Tip piercing pH electrodes are designed for demanding penetration measurements.  Use them to stab into soil samples, cheese or even raw meat!