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The ac and dc electric field meters developed for the US Department of EnergyTwo space-potential electric field meters developed at the Jet Propulsion Laboratory under the auspices of the U.S. Department of Energy are described. One of the meters was designed to measure dc fields, the other ac fields. Both meters use fiber optics to couple a small measuring probe to a remote readout device, so as to minimize field perturbation due to the presence of the probe. By using coherent detection, it has been possible to produce instruments whose operating range extends from about 10 V/m up to about 2.5 kV/cm, without the need for range switching on the probe. The electrical and mechanical design of both meters are described in detail. Data from laboratory tests are presented, as well as the results of the tests at the National Bureau of Standards and the Electric Power Research Institute's High Voltage Transmission Research Facility.
Document ID
19870018557
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Kirkham, H. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Johnston, A. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Jackson, S. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Sheu, K. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
September 5, 2013
Publication Date
February 1, 1987
Subject Category
Instrumentation And Photography
Report/Patent Number
DOE/ET29372-7
NASA-CR-181323
NAS 1.26:181323
JPL-PUB-87-20
Accession Number
87N27990
Funding Number(s)
PROJECT: RTOP 778-12-01
CONTRACT_GRANT: NAS7-918
CONTRACT_GRANT: DE-AI01-79ET-29372
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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