WTEM-2 Deep Transient Electromagnetic System

WTEM-2 Deep Transient Electromagnetic System is a professional geophysical exploration solution, and the WTEM-2 Deep Transient Electromagnetic System provides advanced capabilities for investigating deep subsurface conditions. Designed for transient electromagnetic surveys, the system helps geologists, geophysicists and engineers study underground electrical properties for a wide range of exploration applications.

The system uses transient electromagnetic survey techniques to investigate subsurface formations and identify variations in electrical conductivity. This makes it particularly useful for groundwater exploration, geological mapping, mineral investigation and environmental studies where information about deeper underground structures is required.

WTEM-2 is designed for professional field investigations where dependable data collection and efficient survey operation are important. Its practical system design supports geophysical teams in conducting surveys across different geological environments and gathering useful information for subsurface interpretation.

The system is suitable for demanding exploration projects and repeated field deployment. Its professional construction is intended to support reliable operation in outdoor environments, while its practical design helps users manage field surveys efficiently.

Key Features and Benefits

Designed for deep transient electromagnetic surveys
Supports detailed subsurface investigation
Useful for groundwater exploration
Suitable for mineral and geological exploration
Helps identify variations in subsurface conductivity
Supports environmental and geophysical studies
Designed for professional field applications
Practical solution for deep geological investigation
Suitable for research and exploration projects

Applications

The WTEM-2 Deep Transient Electromagnetic System can be used for groundwater exploration, mineral exploration, geological investigation, environmental surveys and deep subsurface mapping. It is particularly suitable for professionals who require reliable electromagnetic survey capabilities to investigate underground formations and support geophysical interpretation.

Features:

Improved WTEM-2T/GPS transmitter synchronized controller: a better GPS module and antenna of higher sensibility is integrated, faster in synchronization speed, compacter in size and lighter in weight.
High reliability, low power consumption: refined receiver and circuitry, sealed and rugged mechanical structure, ensuring high reliability, low power consumption and convenient operation.
High reliability, low power consumption: refined receiver and circuitry, sealed and rugged mechanical structure, ensuring high reliability, low power consumption and convenient operation.
Remote control: it is the first receivers that take use of a pocket PC and Bluetooth wireless communication technology which enable it to control the WTEM-2J receiver 10 meters, such as setting up parameters, starting measuring, transferring and displaying the measured results.
Multiple channels, high measurement accuracy: operator could set number of channel, linear or logarithmic; crystal oscillator accomplishes timing, with stable and precise time-to-depth ratio. Sampling window arrangement is reasonable, imaging the true subsurface structure. It provides references to complex geological problems.
Short turn-off time: transmitter support swift turn-off function, able to extend shallow exploration range. Short turn-off function provides software with accurate turn- off time to enable it to give accurate data.
Friendly and powerful control interface: PDA control and collects data from human-machine interface, such as parameters input, data display or storage, graph plotting, etc, simplifying fieldwork.

Specifications:

WTEM-2D/60 Transmitter
Transmitting voltage	12V～200 V DC
Transmitting current	≤60A
Current measurement precision	±1%
Power supply frequencies	0.0625Hz, 0.125Hz, 0.25Hz, 0.5Hz, 1Hz, 2Hz, 4Hz, 8Hz, 16Hz, 32Hz
Transmitting waveform&	+ON, OFF, -ON, OFF, equal width and dual polarity
Turn-off delay time	160ns (Pure resistance load)
Damping resistance	1000Ω
Transmitting coil	0.1km* 0.1km single turn ~ 2km*2km single turn
Synchronization mode	external synchronization (cable, GPS, Quartz clock)
Power supply	internal 12V8.6Ah rechargeable battery (or external 12V power supply) lasting for over 8 hours
Dimension	486 * 392 * 192 mm
Weight	12.7kg
Working temperature	-10°C~+50°C
WTEM-2J Receiver
Number of channel	1
Pre-amplification gain	32 times
Main amplification gain	128 times
Band-pass	0~50k Hz (liner phased filter), full band-pass 0~400k Hz
Suppression	80dB
A/D	16 bit
Min sample interval	μs
Trace number	≤128
Stacking times	1~9999 time
Synchronization mode	cable, GPS, GPS+ quartz clock
Power source	internal 12V rechargeable battery (or external 12V power supply) lasting for about 16 hours work
Pocket PC	Windows Mobile 6.0 system with software such as Word, Excel, etc., 320x240 true color, 64MB Flash Rom/ 64MB SDRAM/64MB 2GB CF card, able to store over 200,000 readings of sampled data,2 original rechargeable batteries
Ports	Bluetooth, infrared and serial port
Dimension	340mm* 295mm *152mm
Weight	5.3kg
Working temperature	-10℃~+50℃
WTEM-2T/GPS Transmitter Synchronized Controller
Power source	Built-in high-capacity lithium battery, working time ≥ 20 hours.
Volume	270mm * 246mm * 123mm
Weight	2.5kg

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Steven Rich – Sep 17, 2016:

How all this mistaken idea of denouncing pleasure and praising pain was born and I will give you a complete account of the system, and expound the actual teachings.

William Cobus – Aug 21, 2016:

There anyone who loves or pursues or desires to obtain pain itself, because it is pain sed, because occasionally circumstances occur some great pleasure.