"JJG 480-1987 X-ray Thickness Gauge verification procedure" applies to the first verification, subsequent verification and in-use inspection of X-ray Thickness Gauge. The procedure uses the transmission characteristics of X-Rays to measure the thickness of materials, mainly for continuous measurement of steel, copper, aluminum and other materials. The standard combines relevant Measurement terminology and measurement uncertainty assessment requirements to ensure that the instrument Measurement accuracy meets the technical specifications.
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| CCS | ICS |
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