b metal free zones - adsdetection.com
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x1.5x2 x1.5 x2
AB Metal
Free Zones
Fixed Metal Free ZoneGenerally, the practical size of the metal free zone is 1.5 times the (smaller) aperture dimension, and no metal should be allowed in the area
A x 1.5
A x 2 Moving Metal Free ZoneMoving metal should be kept 2 times away
Metal Detector Aperture This is the area inside of the metal detector’s enclosure that detects metal. There is a field that emanates out both sides that forms the metal free zone
Smallest Dimension
A =