Measurements - Dell H955N User Manual

Measurements

The measurements screens provide useful measurement information on:
S Output watts VA, current, power factor, voltage, and frequency
S Input voltage and frequency
S Battery voltage and percentage charged
S Instantaneous Headroom Watts remaining
S Peak Headroom Watts (the remaining watts available to support the load at peak demand,
includes the date and timestamp of the peak demand)
S Peak Consumption Watts (the peak power demand on the UPS, includes the date and timestamp
of the peak demand)
S Present kWh Consumption (the kWh demand on the UPS averaged over the past hour)
S Cumulative kWh Consumption (the total kWh usage, includes the date and timestamp since it
was last reset)
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Operation