Conductivity Maintenance

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A conductivity standard should be chosen that most closely matches the anticipated conductivity range of the process.

The metal electrodes of 2 and 4-pole sensors can be cleaned with water and mild detergents and washed with deionized water after cleaning. Care should be taken to not use cleaning agents that can impact the material of the electrodes. Click to reference the knowledgebase article on cleaning for more information.

The cell constant of a conductivity sensor may change over time due to corrosion of the electrodes from an aggressive media, or due to fouling of the electrodes. Calibration adjusts the cell constant and can help offset these effects to a certain extent.

Care and maintenance of both 2-pole and 4-pole conductivity sensors are discussed in this brief article.

Acronyms and abbreviations are commonly used with process analytics measurements found in the biopharma industry. This glossary is an attempt to de-code some of the more frequently used acronyms.