Electrical energy meter having a cover-mounted time-of-day multi

Details Electrical energy meter having a cover-mounted time-of-day multi Electrical energy meter having a cover-mounted time-of-day multi

1981-08-14

1985-01-01

Levy, Stewart J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Recording

324156, 324157, G01R 1304

Patent

active

044917899

ABSTRACT:
An electrical energy meter for measuring various parameters of electrical energy consumption has a cover-mounted time-of-day multifunction register. Digital signals representative of electrical energy usage are input to the time-of-day multifunction register which measures energy consumption during the on-peak, off-peak, and intermediate-peak periods of each day. The multifunction register communicates by way of light radiations with an external programmer/reader unit having a plurality of fingers at its front face. These fingers engage recesses in the meter cover for accurate alignment of the multifunction register and the programmer/reader unit. Attaching the multifunction register to the meter cover rather than to the meter frame offers improved alignment between the multifunction register and the programmer/reader unit and provides easy retrofitting of present watthour meters lacking the time-of-day feature with a time-of-day multifunction register. Also, shielding the time-of-day multifunction register from the heat-generating components of the watthour meter allows the time-of-day multifunction register and associated components to operate at a lower ambient temperature.

REFERENCES:
patent: 4082999 (1978-04-01), Staker
patent: 4121147 (1978-10-01), Becker et al.
patent: 4298839 (1981-11-01), Johnston

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