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What is the battery life of the PM5500 Series meter?

Issue
Battery Life in PM5500 Series

Product Line
PM5560
PM5561
PM5563

Environment
Battery Life
PM5500 Series Meter

Resolution
The internal battery in the meter keeps its clock running and helps maintain the time even when the meter is powered down.
The life expectancy of the meter’s internal battery is estimated to be over 10 years at 25 °C under typical operating conditions.