COY8 Endress+Hauser

Ready-to-use gel for validation, calibration, and adjustment of oxygen and disinfection sensors COY8 is a ready-made gel that allows you to detect the true zero point of your oxygen and disinfection (e.g. free chlorine) sensors. This improves the reliability and accuracy of your measuring points leading to increased product quality and yield. What’s more, it helps you decide whether a sensor should be adjusted, maintained or replaced. The gel doesn't require additional chemicals or preparation. It is instantly ready to use and is reusable within 24 hours after opening.