Digital Power Meter 66203/66204 User’s Manual
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1.6 Time for Warm-Up
All functions of this meter are active when it is powered on; however, to meet the accuracy
listed in the specification it is suggested to warm-up for at least 30 minutes.
1.7 Cleaning
Ensure all cables and power cords are removed before cleaning the power meter. Use a
dry cloth to clean the chassis. As the rear panel of the power meter connects to the internal
circuit board, to avoid damaging the device due to short circuit internally it is prohibited to
wipe it with damp cloth.