Electronic metering device including automatic service sensing

Details Electronic metering device including automatic service sensing Electronic metering device including automatic service sensing

1995-07-31

1997-05-20

Wieder, Kenneth A.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Phase comparison

324142, G01R 106, G01R 2106

Patent

active

056315546

ABSTRACT:
An integral electronic meter system diagnostics package including a microprocessor, storage memory, pre-select series of system diagnostic tests, and recording any results which exceed predefined programmable thresholds, and display means for displaying error and/or diagnostic messages identifying selected diagnostic data and/or errors discovered in the meter tests during a predefined period. The system automatically senses the type of electrical service in which the meter is installed.

REFERENCES:
patent: 4200933 (1980-04-01), Nickel et al.
patent: 4884021 (1989-11-01), Hammond et al.
patent: 4977515 (1990-12-01), Rudden et al.
patent: 4979122 (1990-12-01), Davis et al.
patent: 5059896 (1991-10-01), Gerner et al.
patent: 5302890 (1994-04-01), McEachern et al.

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