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BS 4489:1984

M00000394

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BS 4489:1984 Method for measurement of UV-A radiation (black light) used in non-destructive testing

standard by BSI Group, 11/30/1984

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Describes procedure by which the irradiance produced by ultraviolet sources used in fluorescent magnetic particle and penetrant flaw detection processes can be measured. Appendix gives recommended levels of irradiance for use in non-destructive testing.