Wgmd Multi-Electrode Electrical Resistivity Tomography Instrument Geophysical Resistivity IP Survey Equipment

Customization: Available
Accuracy: Multi-Electrode Resistivity Meter
Horizontal Line: Electrical Resistivity Tomography Ert

Product Description

Basic Specifications
Model NO. WGMD
Vertical Lines IP Survey Equipment
Max. Power Supply Voltage 1500V
Max. Power Supply Current 6A
Electrical Prospecting Vertical Electrical Sounding, Electrical Profiling
Application Hydrology, Geophysical Exploration, Metal, Water
Measuring Way Resistivity/IP Sounding, Tomography
Usage 2D Resistivity/IP Tomography
Electrode Array Wenner, Schlumberger, Dipole-Dipole, etc.
Detection Depth 500m for Vertical Sounding, 300m for 2D Tomography
Electrode Options 60 Electrode / 120 Electrode
Cable Spacing 3m, 5m, 10m Optional
Weight 4kg (Portable and Small)
Product Overview

Electrical Resistivity Tomography (ERT) imaging equipment is a sophisticated geophysical technique used for subsurface imaging and exploration. It operates by measuring the electrical resistivity of the ground or structures to create detailed images depicting variations in subsurface properties. This non-destructive method is widely utilized in geotechnical investigations, environmental studies, and civil engineering.

Resistivity Tomography Instrument
Key Advantages
🔍 High Resolution Imaging

Provides detailed insights into geological formations and buried objects through high-resolution subsurface mapping.

🛡️ Non-Destructive

Allows exploration without disrupting the ground or existing structures, making it highly cost-effective.

🌐 Versatile Application

Adaptable to various terrains, from dense urban settings to remote field locations.

⏱️ Time Efficiency

Enables rapid data collection across large areas for efficient field investigation and decision-making.

Equipment View 1
Equipment View 2
Core Applications
  • Underground inspection and void detection
  • Urban geophysical exploration and civil engineering
  • Railway, bridge, and dam safety inspecting
  • Engineering geology and geotechnical surveys
  • Geothermal field survey and mineral resources exploration
  • Hydrology and environmental protection studies
Application 1
Application 2
Application 3
Technical Specifications
Transmitting Parameters
Maximum Power 9000W (VES), 2400W (Imaging)
Maximum Voltage 1500V (VES), 800V (Imaging)
Maximum Current 6A (VES), 3A (Imaging)
Pulse Width 1~60s, duty cycle 1:1
Receiving Parameters
Voltage Input ± 80V (24 bit A/D)
Vp Accuracy ±0.2% ±1LSB (if Vp≥5mV)
Current Input 6A (24 bit A/D)
Input Impedance >100 MΩ
Suppression ≥80dB (for 50Hz/60Hz interference)
Data Chart 1
Data Chart 2
Field Operation
Frequently Asked Questions (FAQ)
Q1: What is the maximum detection depth of the WGMD system? A1: The system can reach up to 500m for Vertical Electrical Sounding (VES) and approximately 300m for 2D Tomography applications.
Q2: Which electrode arrays are supported by this instrument? A2: It supports various common arrays including Wenner, Schlumberger, and Dipole-Dipole, among others.
Q3: Is the equipment portable for field work? A3: Yes, the main machine weighs only 4kg and is designed to be small and portable for easy transport in a wooden case.
Q4: Can the system handle industrial frequency interference? A4: Yes, it features suppression of ≥80dB for 50Hz or 60Hz interference in both common and differential modes.
Q5: What are the main power capabilities? A5: It offers a maximum power supply of 9000W for VES and 2400W for imaging, with a maximum current of 6A.
Q6: How is the data protected during a power failure? A6: The instrument is microcomputer-controlled and includes built-in data protection mechanisms to prevent data loss during power failures.

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