Log 124 - Rev A - Tip ORP Measurement Frequently Asked Questions

This article from Thermo Fisher Scientific's Water Analysis Instruments division covers FAQs on ORP measurement, focusing on standards, result interpretation, and probe maintenance. It recommends the Orion 967901 or 967961 standard for its stability and accuracy. Factors affecting ORP readings include filling solutions, temperature, response time, rinsing, and electrode surface condition. Recommended electrodes include the Orion 9678BNWP and 9778BNWP for various applications.