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BS 4542:1970
M00000046
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BS 4542:1970 Method for determination of loss tangent and permittivity of electrical insulating materials in sheet form (Lynch method)
standard by BSI Group, 01/30/1970
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Accuracy and range, description of the apparatus, the form of specimen, procedures to be followed and the necessary calculation for determination over a frequency range of 1 kHz to 100 kHz. Precautions are given for extending the range to 1 MHz. Supplements the Hartshorn and Ward method of BS 2067.Cross References:
BS 2067
Proc. I.E.E., 1966, vol. 112, pp. 426-431