seriousdetecting.comAnswer
May 22, 2026 - 08:23 AM
Depth performance on the INV28 coil depends on target size, soil mineralization, and the Invenio's sensitivity settings. The DD configuration provides better target separation and ground-noise cancellation compared to concentric coils, which is particularly valuable in mineralized soil conditions. In heavily mineralized red clay or black sand, the INV28 maintains stable operation where other coils may chatter, delivering consistent performance across challenging ground conditions. The 11x7 elliptical size offers enhanced detection efficiency by covering more ground per sweep while maintaining the superior target separation that DD coils are known for in trashy and mineralized environments.
