WTEM Transient Electromagnetic System
High-Power Transmission & Fast Shutdown
WTEM’s robust transmitter delivers large power output and a rapid shutdown mechanism that extends detection range and improves resolution, especially in shallow surveys.
Superior Anti-Interference Capability
Built to withstand electrical noise such as atmospheric interference and 50/60 Hz industrial signals, the WTEM system ensures high-quality data in even the most challenging environments.
Versatile Configuration
The WTEM receiver pairs with either high-power transmitters for deep exploration or smaller transmitters for shallow investigations, giving you flexible deployment across project types.
Advanced Synchronization
Support for multiple synchronization modes — including cable and GPS synchronization — ensures precise timing and stable data acquisition across survey sites.
Lightweight & Efficient
Designed with portability and low power consumption in mind, the WTEM system performs reliably in the field while minimizing logistical complexity.
User-Friendly Interface
An intuitive control interface simplifies setup and data collection, while integrated software tools support real-time monitoring and post-survey analysis.
The WTEM Transient Electromagnetic Method System is an advanced geophysical exploration solution engineered for rapid, high-precision subsurface investigation. Designed to integrate the best features of transient electromagnetic (TEM) technology from around the world, the WTEM system delivers powerful transmission, exceptional anti-interference performance, and reliable data quality in diverse field conditions — from shallow environmental mapping to deep mineral and groundwater exploration.
Typical Applications
The WTEM Transient Electromagnetic Method System is ideal for a wide range of geological and engineering exploration tasks, including:
• Mineral exploration (e.g., base metals, gold deposits)
• Groundwater and aquifer mapping
• Environmental and engineering geophysics
• Hydrocarbon and geothermal reconnaissance
• Railway and infrastructure subsurface surveys
Related Products
• Wideband Detection (DC–10 kHz): Delivers full-spectrum coverage for shallow and deep subsurface structures.
• High-Precision 32-bit ADC: Achieves crystal-clear signal fidelity with ultra-low noise and distortion.
• Multi-Mode Integration: Seamlessly supports MT, AMT, and CSAMT modes for flexible exploration needs.
• Real-Time Geological Imaging: View resistivity profiles, phase curves, and apparent resistivity instantly on-site.
• Rugged, Field-Ready Design: IP67-rated enclosure withstands harsh weather, dust, and impact.
• Ultra-Low Power Consumption (< 5 W): Ideal for extended field campaigns with minimal energy use.
• Precise Timing Synchronization (≤ 30 ns): Dual GPS and thermostatic crystal clock ensure timing integrity in all conditions.
• High Data Capacity & Fast Transfer: Built-in 64 GB storage with USB, WiFi, and Ethernet connectivity.
Depth: 100m/150m/300m/500m
Measuring time: 8-10min
Measurement data unit electric field component of different frequencies of the earth electromagnetic field ΔVs (mV)
Maximum Channels: 18 channels
Display Screen: Industrial 10.1-inch HD touch screen.
A/D conversion: 16-bits 1Msps
Minimum resolution: 0.001mv
Point selection: 1-18 points optional.
Power consumption: about 9W
Working environment temperature: -20°C ~ +50°C
Controller: 32-bit high speed CPU
Standby time: 8h
Cable: 2.5m point pitch, 10m line pitch 54.7m in total length
Electrode: Each comes standard with 22pcs
Host Weight: 1.95kg
• 8-channel simultaneous measurement for rapid data acquisition
• Wi-Fi enabled for seamless remote control and data transfer
• Expandable electrode capacity – supports up to 112 electrodes with 5m spacing
• Marine and land survey compatibility, ideal for complex terrains and aquatic environments
• Integrated GPS and EarthImager™ software for precise positioning and advanced inversion modeling
• Rugged field-ready design with heavy-duty transport case, stainless steel electrodes, and robust cabling
Depth 100m/150m/300m
Measuring time 6-8min
Measurement data unit electric field component of different frequencies of the earth electromagnetic field ΔVs (mV)
Maximum Channels: 18
Display screen unit: 10.1-inch HD touch screen (1024 *600)
A/D conversion: 16-bits 1Msps
Minimum resolution: 0.001mv
Point selection: 1-18 points optional
Power consumption: about 9W
Working environment temperature: -20°C ~ +50°C
Controller : 32-bit high speed CPU
Standby time: 8h
Cable: 2.5m point pitch, 10m line pitch 54.7m in total length
Electrode: Each comes standard with 22pcs
Host Weight: 1.95kg
Depth 100 / 150 / 300 / 500 Meters
Frequency Single, Triple, 36/40/56frequency
Channel 8
System PQWT
LCD Industrial 7-inch HD touch screen
Units of Measurement △Vs(mV)
Measurement Range 0mV－2000mV
Stand-by Time 8-10 hours
Power Supply Battery Model #26650; 3.7V 4000mAh Rechargeable lithium battery
Accurate Depth Measurement: Provides quick and precise readings of water depth with a standard resolution of 0.5 mm.
Audible Signal: Emits a clear tone when the probe contacts water, making detection easy even in noisy environments.
Durable Tape: Uses a flat, high-tensile, non-stretch tape with clear depth markings for long-term reliability.
Battery Operated: Lightweight and portable, ideal for field use without the need for external power.
Multiple Length Options: Available in lengths ranging from 100 meters to 1000 meters, suitable for shallow and deep wells
• High Measurement Accuracy: It delivers reliable resistivity readings with excellent anti-interference performance, even in complex geological conditions.
• Automatic Data Processing: It is integrated with intelligent system for real-time data analysis, curve plotting, and geological profiling without the need for external computers.
• User-Friendly Operation: It has one-touch control and clear LCD interface simplify field operations, reducing survey time and improving productivity.
• Powerful Performance: It is capable of high-voltage and long-distance measurements, enabling deep exploration up to several hundred meters.
• Durable & Portable Design: Rugged construction and compact build for easy transport and dependable use in diverse environments.
• Dual Functionality: Measures both resistivity and induced polarization (IP) with exceptional precision.
• High Power & Depth: Advanced signal processing allows deep penetration and stable readings even in complex terrains.
• Intelligent Design: Automatic data recording, self-calibration, and real-time display simplify field operations.
• User-Friendly Interface: Intuitive touchscreen display and simple menu navigation enhance operational efficiency.
• Reliable Performance: Excellent anti-interference capability ensures accurate measurements in various geological environments.
• Flexible Data Management: Supports USB data export and PC software for data processing, mapping, and reporting.
