Dell H952N - Manual (Page 39)

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