Research Article
Sep 1977
Calculators in Timer-Counters for Current Meters
Publication: Journal of the Hydraulics Division
Volume 103, Issue 9
Abstract
An accurate, compact, low-cost, calculator-based electronic timer-counter for current meters has been constructed and laboratory tested. Electronic calculators often offer an economically attractive alternative to both electromechanical and other forms of electronic counters. The modification of calculators so that they can act as timer-counters is described in general terms. A summary of the results of tests to determine the effect of temperature and voltage variations on the timing accuracy of a prototype electronic timer-counter is given. Laboratory tests were also performed which compared the prototype to two different electromechanical counters in operation. These tests indicated that, with a few minor changes, the electronic timer-counter would provide many advantages over the electromechanical counters.
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Published In
Journal of the Hydraulics Division
Volume 103 • Issue 9 • September 1977
Pages: 1031 - 1036
Copyright
© 1977 American Society of Civil Engineers.
History
Published in print: Sep 1977
Published online: Feb 3, 2021
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Authors
Affiliations
Stephen R. Kormilo
Lect., Dept. of Electrical and Communications Engrg., Papua New Guinea Univ. of Tech., Lae, Papua, New Guinea
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.