PQWT GT3200A Geophysical Underground Water Detector gdi The SRIS search coil is

The SRIS search coil is used to locate shallow metallic objects close to the surface

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the device performs a fully automatic scanning in search of potential metal targets within the search scope

Coil - 7 inch waterproof searchcoil

This Bounty Hunter metal detector has four-tone audio feedback

PQWT GT3200A Geophysical Underground Water Detector gdi The SRIS search coil isPQWT GT3200A Geophysical Underground Water Detector Depth: 3200 meters (10498 ft) PQWT GT Auto analysis Geophysical Detector is the eighth generation of multi channel prospecting instrument newly developed by Hunan Puqi Geologic Exploration Equipment Institute and Hunan Puqi Water Environment Institute Co. Ltd., it is based on the principle of natural electric field frequency selection method. It is widely used in underground water sources, geological