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Multi Electrode Electrical Resistivity Tomography Equipment

Multi Electrode Electrical Resistivity Tomography Equipment
WGMD-4 Electrical resistivity tomography equipment is very good function for underground water detection and mineral exploration. It will mapping and imaging underground structure and layers.
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Product Details

Electrical resistivity tomography equipment (1)(001)


Functions

1.Ground water exploration

2.Mineral exploration

3.Archaeological site investigation

4.Cave, void, and sinkhole location 1. Scanning For Leaks In The Amistad Dam

5.Other engineering use


Electrical resistivity tomography equipment (3)(001)


Array

Wenner(α)

Wenner(β)

Wenner(γ)

Pole-Dipole(AMN)

Dipole-Pole(MNB)

Pole-Pole(AM)

Dipole-Dipole

Schlumberger

Wenner-Schlumberger

Edge Gradient

Double Side-3P

Cross-Hole Dipole

Bipole Up-Hole


Electrical resistivity tomography equipment (2)(001)


Method to measure:

Electrical Resistivity Imaging (ERI), streaming potential/spontaneous potential (SP), and induced polarization (IP) imaging with our Electrical resistivity tomography equipment.

ERT: Multi-electrode electric Res tomograph, which is the extension of 1D Res VES. Layout dozens or hundreds electrode on one survey line, with automatic conversion of control electrode, the instrument completes automatic composition and fast measurement of many kind of array and program in Res method. It realizes combined measurement of electric profiling and electric sounding and is benefit for shorten time and gaining section information.


Electrical resistivity tomography equipment (4)(001)


1.Res/IP VES  ( Resistivity /Induced polarization)

2.Res VES and SP

3.Res ERI

4.IP ERI


Technical Specification:

Receiver

Voltage channel:±6V

Survey accuracy: if Vp≥10 mV then ± 5‰ ± 1 LSB, if Vp < 10 mV, then ±1% ± 1 LSB

Current: 5A

Survey precision: if IP≥ 10mA then ± 5‰ ± 1 LSB, if IP < 10 mA, then ±1% ± 1 LSB

apparent resistivity measurement accuracy: ±1% ±1 LSB

depression is more than 80dB for 50Hz industrial interference (common mode or different mode interference)

input impedance: ≥50MΩ


Transmitter

maximum supply voltage: 900V

maximum supply current: 5A

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