Meter Spin Test

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How to determine instantaneous power from both the utility's watt hour meter and var-hour meter
(usually indicated by a large "R" on meter face)


Legend:


Kh
=
 Meter constant printed on face or nameplate of meter
Mult
=
 Multiplier (or product of the metering transformers ratios)
Rev
=
 Number of revolutions on a disc
Sec
=
 Time in seconds for the total number of revolutions (rev's) clocked


To determine KW (WattHour Meter)



 

To determine KVAR (Var-Hour Meter)

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