Product Description
WTEM-3Q is a Transient Electromagnetic Equipment designed for shallow subsurface exploration. It integrates a transmitter and receiver into a compact system for efficient TEM data acquisition. This equipment is widely used in groundwater detection, mineral exploration, and engineering geological surveys, providing stable and high-quality field data in complex environments.
Designed for efficient field deployment, this Transient Electromagnetic Equipment integrates transmitting, receiving, and control functions in one system, simplifying equipment setup and reducing cable connections during surveys. The design draws on practical experience from both domestic and international shallow TEM systems while focusing on stability and operational efficiency in field conditions.
The WTEM-3Q features relatively high transmitting power, ultra-fast current turn-off, and strong operational reliability. It also offers strong resistance to environmental noise, including atmospheric interference and 50/60 Hz power-frequency noise, helping maintain stable data acquisition during surveys.
With its lightweight structure and low power consumption, the system is suitable for a variety of field environments. This Transient Electromagnetic Equipment can be used in groundwater exploration, shallow geological investigation, engineering surveys, and other subsurface detection tasks where portable and efficient TEM measurements are required.
Technical Parameters
|
Specification |
Details |
|
Channel number |
1 |
|
Pre-amplifier gain |
8, 32 times |
|
Main amplifier gain |
1, 2, 4, 8, 16, 32, 64, 128 times |
|
Band pass |
0~50kHz(liner phased filter), full band 0~400kHz |
|
A/D bit |
16bit |
|
The minimum sample interval |
1 μs |
|
Crystal oscillation total error |
≤5*10-9 |
|
Trace number |
50 |
|
Stack number |
1~9999 |
|
Synchronization mode |
(1) Cable synchronization (2)GPS synchronization |
|
Power supply |
Built-in 12V rechargeable battery(support outside power), working time≥10 hours |
|
Working temperature |
-10℃~+50℃ |
|
Specification |
Details |
|
Transmitting voltage |
200V |
|
Transmitting current |
50A |
|
Current measurement precision |
1% |
|
Power supply frequencies |
0.0625Hz, 0.125Hz, 0.25Hz, 0.5Hz, 1Hz, 2Hz, 4Hz, 8Hz, 16Hz, 32Hz |
|
Transmitting power voltage display |
Liquid crystal display unit V, display resolution 0.1V |
|
Working temperature |
-10℃~+50℃ |
|
Operating temperature |
-10℃～+50℃ |
|
Charger for built-in battery |
12V, charging current ≤1.5A, charging time ≤6 hours (automatic detection) |
|
Charger for transmitting battery |
12V, charging current ≤20A, charging time ≤10 hours |
Key Features of Transient Electromagnetic Equipment
Integrated Design
Combines transmitter and receiver functions in one portable unit. The receiver can also operate with external transmitters for extended-depth surveys using cable, GPS, or hybrid synchronization.
Energy-Efficient & Reliable
Engineered circuitry, effective heat dissipation, and a sealed rugged housing ensure stable operation under demanding field conditions with minimal power consumption.
Wireless Operation
A tablet interface communicates via Bluetooth, enabling remote setup, measurement control, and real-time data review within 10 meters of the receiver.
Robust Anti-Interference
Hardware filters, precise frequency control, and advanced data stacking suppress noise from natural sources or industrial power lines, ensuring high-quality results.
Flexible Measurement Channels
Multi-channel configuration supports linear or logarithmic spacing. High-precision timing maintains accurate time-depth correlation for reliable interpretation.
Fast Turn-Off Transmitter
Rapid transmitter shutoff extends detection range in shallow surveys. Recorded turn-off times support precise data inversion and modeling.
Versatile Survey Modes
Supports both stationary point measurements and continuous profiling, enabling efficient coverage of survey areas.
Wide Depth Range
Capable of resolving features from a few meters to several hundred meters, adapting to diverse shallow-depth exploration needs.
User-Friendly Interface
The tablet-based control system allows full parameter setup, live data display, storage, and real-time curve plotting for seamless field operations.
Applications of Transient Electromagnetic Equipment in Subsurface Exploration
he WTEM-3Q transient electromagnetic equipment enables mineral and coal exploration teams to quickly locate and map ore bodies, delineate mineralized zones, and evaluate shallow structures. This Transient Electromagnetic Equipment helps clients make faster decisions for drilling and resource assessment while reducing survey time.
In oil, gas, and geothermal surveys, the WTEM-3Q Transient Electromagnetic Equipment provides reliable near-surface data for early-stage reconnaissance, fault and fracture mapping, and reservoir boundary analysis, supporting more accurate planning and field development.
For hydrogeological studies, the WTEM-3Q transient electromagnetic equipment allows precise aquifer detection, groundwater evaluation, and water resource management, delivering high-resolution results that enhance sustainable water use and project efficiency.
In engineering and environmental applications, the WTEM-3Q Transient Electromagnetic Equipment helps clients assess foundations, identify cavities, faults, or unstable ground, and optimize infrastructure planning, minimizing construction risks and unforeseen costs.
Customer Benefits
Key advantages of WTEM-3Q Transient Electromagnetic Equipment include:
- Accelerates field surveys with integrated, lightweight equipment.
- Ensures reliable, interference-resistant data in challenging environments.
- Reduces manpower and logistical demands through wireless control and simple setup.
- Adapts to multiple survey depths and conditions, maximizing operational versatility.
- Supports precise interpretation with high-quality, multi-channel measurements and accurate turn-off recording.
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