Magnetic Transient Electromagnetic Equipment TEM Geophysical Survey Equipment
Transient Electromagnetic Equipment TEM Geophysical Survey Equipment
Application for TEM Geophysical Survey Equipment
1. Domains of groundwater and landfill surveys
2. Mineral and geothermal exploration
3. Detection of burning coal beds
Configuration list for TEM Geophysical Survey System
| Name | Qty | Remark |
| WTEM-2J Receiver | 1 set | |
| WTEM-2D/60 Transmitter | 1 set | |
| WTEM-2T/GPS Transmitter Synchronized Controller | 1 set | |
| Touch pad to control the TEM system | 1 set | |
| PTT-40A Antenna and Adapter | 1 set | Optional |
Techenical Specification
|
Transmitting voltage |
≤200V3 |
|
Transmitting current |
≤50A |
|
Current measurement precision |
current range before power supply being cut off is 0~50A, display resolution is 0.01A. |
|
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 |
1μs~1000μs |
|
Turn-off time |
≤1.2μs (pure resistance), changing with the transmitting current and transmitting coil when connecting to the coils |
|
Damping resistance |
1000Ω |
|
Transmitting coil |
0.1km×0.1km single turn ~ 2km×2km single turn |
|
Synchronization mode |
external synchronization (cable, GPS) |
|
Power supply |
internal 12V8.6Ah rechargeable battery (or external 12V power supply) lasting for over 10 hours |
|
Dimension |
525×436×217mm3 |
|
Weight |
18.5kg |
|
Working temperature |
-10°C~+50°C |
|
|
Receiver |
|
Number of channel |
1 |
|
Pre-amplification gain |
8, 32 times |
|
Main amplification gain |
1, 2, 4, 8, 32, 64, 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 |
1μs |
|
Trace number |
≤128 |
|
Stacking times |
1~9999 time |
|
Synchronization mode |
internal 12V9.6Ah rechargeable battery (or external 12V power supply) lasting for over 10 hours |
|
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 |
340×295×152mm |
|
Weight |
5.3kg |
|
Working temperature |
-10°C~+50°C |
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