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May 21, 2026 - 10:03 AM
The IM24's 9.5x5 elliptical footprint isolates individual targets in trash-dense environments where the standard 11-inch round coil reports merged signals. The narrow 5-inch width slips between bottle caps and iron fragments, letting the Impact report depth and target ID on a single coin two inches from a nail. DD coil geometry concentrates the detection field along the centerline, reducing side sensitivity to adjacent trash. Detectorists working urban parks and heavily hunted school yards gain the ability to cherry-pick high conductors from nail beds and pull-tab clusters. Understanding metal detector technologies helps explain why elliptical DD coils excel in confined spaces.
