BS 3971:1980被替代
Specification for image quality indicators for industrial radiography (including guidance on their use)
出版：British Standards Institution
專家解讀視頻
Dimensional requirements, construction, materials and marking of wire-type, step/hole type and duplex-wire type image quality indicators for assessing quality of industrial radiographs on materials from 3 mm to 250 mm thick. Appendix provides detailed guidance on the use of each type including sensitivity and unsharpness values.
? British Standards Institution 2013
Replaced by notes:
Replaced by Parts 1,2,3 & 5 of BS EN 462.
Amendment notes:
AMD 5367 published 31 October 1986
AMD 8231 published 15 April 1994
AMD 8322 published 15 August 1994
ISO 1027:1983 - Similar
