Nondestructive insulator testing system

descriptionPublicationkeyboard_double_arrow_right Report , Other literature type 01 Nov 1978Publisher:Office of Scientific and Technical Information (OSTI)

Authors: R. Hagan; H. Fullbright;

doi: 10.2172/6633864

Nondestructive insulator testing system

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Abstract

An instrument has been constructed to inspect thin ribbons of electrical insulator foils for thickness and for the presence of pinholes. The measurements are accomplished by sensing the transmission of a beam of beta particles and another of ultraviolet light. Thickness variations of +- 1% can be measured for ribbons 50 to 100 ..mu..m thick. Pinholes as small as 0.1 mm can be detected with the optical system. The results of the inspection are recorded automatically and are indexed to their position on the insulator ribbon.

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