Meter tampering indicator

Details Meter tampering indicator Meter tampering indicator

1982-09-30

1984-05-22

Tolin, G. P.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

361364, 324110, 206459, H02B 900

Patent

active

044505043

ABSTRACT:
A mechanical apparatus for indicating watthour meter tampering of a typical single phase induction watthour meter which includes a base member, a plug-in mechanism mounting member and a cover glass fixed to the mechanism mounting member. The device includes an easily rupturable, normally glass, container juxtaposed the mechanism mounting member of the watthour meter and fixed through said mounting member to the meter base in a manner such that attempts to unplug the mounting member from the base will cause said container to rupture and thereby indicate meter tampering. The container may also be mounted next to the cover glass of the watthour meter and adhesively connected thereto in a manner such that movement of the cover glass relative to the mechanism mounting member results in the rupture of the container. The container may be filled with a staining colored liquid to more readily indicate breakage and it may be made sensitive enough to rupture in case of an external blow to the meter sufficient to cause change in mechanism function.

REFERENCES:
patent: 2914354 (1959-11-01), Moberg

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