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WDJD-4a

Geological exploration instrument
2025-10-22
This video explains the main functions and practical uses of the WDJD-4A 2D 3D Multi Channel Geophysical Resistivity Meter in a clear, step-by-step format. You will see how this survey instrument performs electrical resistivity imaging to identify geological features like karst cavities, water-bearing zones, and rock mass integrity, with insights into data interpretation principles.