Standard Practice for Detection Sensitivity Mapping of In-Plant Walk-Through Metal Detectors
1.1 This standard practice covers a procedure for determining the weakest detection path through the portal aperture and the worst-case orthogonal orientation (Note 1) of metallic test objects. It results in detection sensitivity maps, which model the detection zone in terms related to detection sensitivity and identify the weakest detection paths. Detection sensitivity maps support sensitivity adjustment and performance evaluation procedures (see Practice C1269).
1.2 This practice is one of several developed to assist operators of walk-through metal detectors with meeting the metal detection performance requirements of the responsible regulatory authority.
1.3 This practice is neither intended to set performance levels, nor limit or constrain operational technologies.
1.4 This practice does not address safety or operational issues associated with the use of walk-through metal detectors.
1.5 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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