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Underground Time Domain Electromagnetic Survey Equipment TDEM

    Buy cheap Underground Time Domain Electromagnetic Survey Equipment TDEM from wholesalers
     
    Buy cheap Underground Time Domain Electromagnetic Survey Equipment TDEM from wholesalers
    • Buy cheap Underground Time Domain Electromagnetic Survey Equipment TDEM from wholesalers
    • Buy cheap Underground Time Domain Electromagnetic Survey Equipment TDEM from wholesalers

    Underground Time Domain Electromagnetic Survey Equipment TDEM

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    Brand Name : Gold
    Model Number : WTEM
    Price : Negotiated
    Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
    Supply Ability : 1 set per 5 days
    Delivery Time : 5-8 working days
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    Underground Time Domain Electromagnetic Survey Equipment TDEM

    1000m Underground Water Detection Time-Domain Electromagnetic Survey System


    Principle


    The transient electromagnetic method, called TDEM (Time-Domain Electromagnetic Method) belongs to the group of active electromagnetic methods.


    The transient electromagnetic method, called TDEM (Time-Domain Electromagnetic Method) belongs to the group of active electromagnetic methods,transient electromagnetics (TEM) method was developed in order to gain information on the subsurface resistance-conductivity. It is applied successfully in mineral and geothermal exploration, in hydrogeology, environmental surveys and the like.


    The measurement depth ranges between a few and more than 1000m. Measuring depth depend on the size of the used transmitter’s power transmission loop; and the strength of the interference caused by the environment


    Techenical Specification


    Transmitting voltage≤200V3
    Transmitting current≤50A
    Current measurement precisioncurrent range before power supply being cut off is 0~50A, display resolution is 0.01A.
    Power supply frequencies0.0625Hz, 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 time1μs~1000μs
    Turn-off time≤1.2μs (pure resistance), changing with the transmitting current and transmitting coil when connecting to the coils
    Damping resistance1000Ω
    Transmitting coil0.1km×0.1km single turn ~ 2km×2km single turn
    Synchronization modeexternal synchronization (cable, GPS)
    Power supplyinternal 12V8.6Ah rechargeable battery (or external 12V power supply) lasting for over 10 hours
    Dimension525×436×217mm3
    Weight18.5kg
    Working temperature-10°C~+50°C
    Receiver
    Number of channel1
    Pre-amplification gain8, 32 times
    Main amplification gain1, 2, 4, 8, 32, 64, 128 times
    Band-pass0~50k Hz (liner phased filter), full band-pass 0~400k Hz
    Suppression80dB
    A/D16 bit
    Min sample interval1μs
    Trace number≤128
    Stacking times1~9999 time
    Synchronization modeinternal 12V9.6Ah rechargeable battery (or external 12V power supply) lasting for over 10 hours
    Pocket PCWindows 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
    PortsBluetooth, infrared and serial port
    Dimension340×295×152mm
    Weight5.3kg
    Working temperature-10°C~+50°C

    Configuration for whole Time-Domain Electromagnetic Survey System


    1.WTEM-2J Receiver 1 set

    2.WTEM-2D/60 Transmitter 1 set

    3.WTEM-2T/GPS Transmitter Synchronized Controller 1 set

    4.Touch pad to control the TEM system 1 set

    5.PTT-40A Antenna and Adapter 1 set Optional


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