Transient Electromagnetic Sounding Equipment Time Domain Transient Electromagnetic TEM TDEM For Groundwater And Mineral Exploration Survey
WTEM
Transient Electromagnetic Sounding Equipment is a geophysical method used in exploration for deep-water and mineral resources. The Time Domain Exploration (TDEM) system consists of a receiver and a transmitter, typically with wire loop configurations, which are crucial components for conducting surveys in challenging environments.
1. High Sensitivity: The TDEM receiver is designed to detect weak electromagnetic signals even in demanding underwater or mineral-rich settings.
2. Time Domain Capability: Both the transmitter and receiver can operate in the time domain, enabling precise measurements of electromagnetic responses over time.
3. Flexible Loop Configurations: The wire loop design allows for versatile setups, suitable for varying survey requirements and depths.
4. Digital Signal Processing: Advanced processing capabilities enhance signal quality, aiding in the identification of subsurface structures.
5. Robust Construction: Built to withstand harsh environmental conditions, ensuring durability and reliability during field operations.
1. Deep-Water Surveys: TDEM systems are ideal for mapping the subsurface structure beneath deep water bodies, providing insights into geological formations and potential resource deposits.
2. Mineral Exploration: TDEM surveys are effective in identifying mineral deposits underground by analyzing the electrical conductivity variations in the subsurface.
3. Resource Assessment: The TDEM method aids in evaluating the quality and quantity of resources such as minerals and groundwater reserves.
4. Environmental Studies: TDEM technology can also be used for environmental assessments, monitoring groundwater contamination, and studying aquifer properties.
Number of channels: 1 channel (expandable to 3 channels) |
Preamplifier gain: 8, 32 times |
Main amplifier gain: 1,2,4,8,16,32,64,128 times |
Pass band: 0 ~ 50KHz (linear phase filter), 0 ~ 400kHz for full pass. |
Power frequency suppression: ≥ 80dB |
A / d bits: 16 bits |
Minimum sampling interval: 1 μ s |
Total frequency difference of crystal oscillator: ≤ 5 × 10-9 |
Number of channels: ≤ 128 |
Stacking times: 1-9999 |
Synchronization mode: cable synchronization |
GPS + quartz clock synchronization |
Power supply: built in 12V rechargeable battery (or external 12V battery), working time ≥ 10h |
PDA: Windows Mobile 6.0 system, 320 × 240 true color, 64MB flash ROM / 64MB SDRAM,
1GB CF card, can store data of no less than 100000 measuring points, Bluetooth, infrared, serial port. |
Volume: 340 × 295 × 152mm3 |
Weight: 5.3kg |
Working temperature: - 10 ºC~ + 50 ºC |