Electrical efficiency meter
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United States of America Patent
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-
Aug 30, 1983
Issued Date -
N/A
app pub date -
Nov 17, 1978
filing date -
Jun 19, 1975
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for determining the operational costs of electrical devices. A case encloses a measuring instrument including a circuit which is connectable to a power source and to the device being checked. The instrument has a dial calibrated to give readings directly related to current consumption. The user applies the applicable energy rate at computation means on the case to determine the operational cost in a period of time.
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