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Automatic Printing Ammeter

A new instrument has been developed which will automatically read and record in numerals, at predetermined time intervals, the ampere loading on 50 different electric circuits. This instrument also adds the readings on groups of circuits and prints these totals in columns beside the ampere load read...

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Bibliographic Details
Published in:Transactions of the American Institute of Electrical Engineers 1941-03, Vol.60 (3), p.93-99
Main Author: Le Clair, T. G.
Format: Article
Language:English
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Description
Summary:A new instrument has been developed which will automatically read and record in numerals, at predetermined time intervals, the ampere loading on 50 different electric circuits. This instrument also adds the readings on groups of circuits and prints these totals in columns beside the ampere load readings. The paper outlines briefly the reasons for developing such a device. The paper also describes, with the aid of schematic diagrams, the process by which the instrument obtains and prints all the measurements and totals on a single ``log sheet.''
ISSN:0096-3860
2330-9431
DOI:10.1109/T-AIEE.1941.5058287