Research Article
Sep 1967
Ignition Noise in Neutron Moisture Gages
Authors: John F. Stone, A. Dudley Barefoot, and James E. GartonAuthor Affiliations
Publication: Journal of the Irrigation and Drainage Division
Volume 93, Issue 3
Abstract
Spark-fired engines were found to couple spurious counts into neutron moisture gauges. Electromagnetic coupling to the cable connecting the probe unit and counter unit seemed to be the cause. Pulses were apparently amplified in the probe unit and duly recorded in the counting unit. Interference was not noted in cases where the cable was positioned no closer than 3 ft from any portion of the motor vehicle. If moisture measurements are to be made in the vicinity of operating spark-fired engines, a test for interference should be made.
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Published In
Journal of the Irrigation and Drainage Division
Volume 93 • Issue 3 • September 1967
Pages: 147 - 152
Copyright
© 1967 American Society of Civil Engineers.
History
Published in print: Sep 1967
Published online: Feb 11, 2021
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Authors
Affiliations
John F. Stone
Assoc. Prof. of Agronomy, Oklahoma State Univ., Stillwater, Okla
A. Dudley Barefoot
Instructor in Agric. Engrg., Oklahoma State Univ., Stillwater, Okla
James E. Garton
Prof. of Agric. Engrg., Oklahoma State Univ., Stillwater, Okla
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