WDJD-4A

Geological exploration instrument
November 04, 2024
Video Description:
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.
Related Videos

WDDS-3

Geological exploration instrument
October 14, 2025

resistivity & IP meter

Geological exploration instrument
November 26, 2024

borehole camera

Borehole testing equipment
November 20, 2024

wireless digital inclinometer

Borehole testing equipment
November 21, 2024

borehole camera

Borehole testing equipment
November 20, 2024

Ore Prospector Magnetometer Digital Survey Tool

Magnetic Survey Instruments
December 26, 2025