Diagnostic meter base

Details Diagnostic meter base Diagnostic meter base

1989-02-03

1990-05-01

Karlsen, Ernest F.

Electricity: measuring and testing

Testing and calibrating electric meters

324157, 324542, 340642, G01R 3108, G01R 138, G08B 2100

Patent

active

049221850

ABSTRACT:
A diagnostic meter base, used for testing the connections of a self-contained meter in a polyphase installation is described. The diagnostic meter base comprises a box-like casing, one end of which defines a socket with contacts to engage respective contacts of the meter, and the other end of which defines a plug with contacts to engage respective contacts of a permanent support socket of the installation. The casing houses a network of circuit elements each including a lamp which responds to current through the element, whereby the pattern of lamp responses is indicative of the pattern connections in the installation. The lamp bulbs are mounted in a well at one end of the casing, the well having a hinged cover.

REFERENCES:
patent: 1933274 (1933-10-01), Ludwig
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patent: 2249075 (1941-07-01), Young et al.
patent: 2890413 (1959-06-01), Screven
patent: 2933360 (1960-04-01), Adams
patent: 4271390 (1981-06-01), Canu
patent: 4646003 (1987-02-01), Phillips et al.
Derfler,Jr., F. J.; "Overview -RS-232C Adapter"; Microprocessing; Feb. 1984; pp. 16, 20.

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