NDLI: A new electrical telemeter

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A new electrical telemeter

Content Provider	Semantic Scholar
Author	Mccollum, Burton Peters, O. S.
Copyright Year	1924
Abstract	Development work has been in progress for several years at the Bureau of Standards on an electrical telemetric device suitable for the measurement of strains, forces, displacements, and accelerations, with the view of making an instrument remote reading and remote recording, and at the same time adapted to the measurement of quantities that are rapidly varying in value. Satisfactory progress has been made and sufficient accuracy and stability obtained for many kinds of engineering measurements. For its operation this device depends upon the displacement-resistance characteristic or corresponding pressure-resistance characteristic of a stack of carbon plates. Means for mounting such stacks have been devised that enable accurate and dependable calibration and give sufficient stability to readily withstand the shocks due to ordinary handling. Practical applications so far made consist of the following: (i) Measurement of loads in airplane stay cables during flight, (2) measurement of strains in airship girders during construction, (3) tests of bridge members subjected to live loading, (4) tests of airship girders and bridge members in the laboratory, (5) measurement of pull on pressure arm of dynamometer; and (6) measurement of pressure. The chief advantages obtained over instruments heretofore available for similar purposes are that simultaneous records or readings can be made of strains, forces, and pressures occurring at a number of widely separated points, and that rapidly varying values can be photographically recorded in their true proportions. Measurements can also be made in places which are inaccessible during tests. CONTENTS. Page.
Starting Page	257
Ending Page	258
Page Count	2
File Format	PDF HTM / HTML
DOI	10.1016/S0016-0032(24)90957-4
Volume Number	197
Alternate Webpage(s)	https://nvlpubs.nist.gov/nistpubs/nbstechnologic/nbstechnologicpaperT247.pdf
Alternate Webpage(s)	https://doi.org/10.1016/S0016-0032%2824%2990957-4
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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