Year after year, a significant number of power sensors are damaged because of users’ carelessness or ignorance. Knowing the proper usage and precautions for power sensors and meters would spare you inconvenience and downtime required for repair.
Most damages to the power meters and sensors can be avoided by following a few precautions. One of the main things to remember is to ensure that measured power and DC voltage are always below the maximum limit indicated on the power sensor. RF connectors of both the equipment and connecting cables should be cleaned and protected when not in use. Take precautions to prevent ESD, and make sure the equipment is properly grounded and that the ambient temperature is < 30˚C.
This paper outlines seven practices for keeping your power sensors in good shape.