ADMT-EH1/EH2/EH4/EH6/EH8/ Magnetotelluric (MT) Survey System
ADMT-EH series magnetotelluric (MT) survey system is developed by ADMT based on the latest achievements in the magnetotelluric methods technology. It’s one of the primary tools for mineral exploration, oil and gas exploration as well as exploration for geothermal. The system is available in five models: EH8, EH6, EH4, EH2, and EH1, which can detect the maximum depths of 8000, 6000, 4000, 2000, and 1000 meters respectively. The system can set the exploration depth in sections within the maximum depth range to meet requirements for different depths and different depth segments.
| Model | ADMT-EH1, ADMT-EH2, ADMT-EH4, ADMT-EH6, ADMT-EH8 |
|---|---|
| Max Detector Depth | 1000M-8000M |
| Color | Blue |
| Weight | 4.2kg |
| Display | Ex, Ey, Hx, and Hy apparent resistivity data |
| Measurement mode | MN(Electrodes), TT(Sensor) |
Details About ADMT-EH1/EH2/EH4/EH6/EH8/ Magnetotelluric (MT) Survey System
Application scope:
Mineral exploration: used for general and detailed surveys of non-ferrous metals and precious metal minerals. It can determine the direction, location and depth of mineral veins. It can also analyze and determine mineral reserve information by integrating other magnetic methods, drilling and other methods. Improve the success rate of mineral exploration and reduce mining investment risks.
Geothermal hot spring exploration: Used for general and detailed surveys of geothermal, hot spring and other resources. It can determine fault zones, thermal reservoirs, thermal conductivity and other structures. It can also be used with high-precision magnetometers for exploration, and magnetotelluric conductivity meters can be used to form an analysis of strata. Imaging of deep resistivity can accurately determine the depth and reserves of water storage fracture zones.
Oil and gas exploration : Based on the physical characteristics and formation characteristics of the oil layer, the undulations of the high-resistivity bedrock surface are studied to determine the range and depth of oil and gas. Moreover, the magnetotelluric method has been widely used in oil and gas exploration because of its large detection depth and is not affected by high-resistance shielding layers.
The ADMT-EH series magnetotelluric methods meter is an efficient and accurate measurement tool that can be used in mineral and geothermal exploration, geological disaster monitoring and investigation, hydrogeological exploration, environmental monitoring and other fields. Each acquisition unit is equipped with two electromagnetic and electric field measurement channels as standard. WiFi wireless connection allows simultaneous measurement. The maximum exploration depth reaches 8,000 meters. The instrument can directly display Ex, Ey, Hx, and Hy apparent resistivity data, and automatically draw curves and contour maps. , within the maximum depth range, 10-meter depth intervals are selected.

1D VES Sounding

Function:
- 1D VES & IP Sounding
- 1D Resistivity& IP Profiling.
- SP Survey.


Sounding and Profiling (1-D)
Performance parameters
| Console | |
| Display Screen | 7-inch IP highlight touch screen, automatic rotating |
| Resolution | 800*1280 |
| Connection | Multi-functional magnetic suction connector (including charging, USB, signal input), WiFi, Bluetooth |
| Core Features | Optional depth and real-time 2D/3D mapping |
| OS | Android 13 |
| CPU | RK3568 quad-core |
| RAM | 4GB |
| Storage | 32GB |
| Battery | 8.4V/6000mAH (can be connected to an external mobile power bank) |
| Power Consumption | 6W |
| Charging | 5V3A, compatible with most mobile phone chargers |
| Dimensions | 238*139*53mm |
| Weight | < 1 kg |
| Working Environment | -20℃~+60℃,95%RH |
| Acquisition Unit | |||||
| Versions | ADMT-EH1 | ADMT-EH2 | ADMT-EH4 | ADMT-EH6 | ADMT-EH8 |
| Max Depth (m) | ≤1000 | ≤2000 | ≤4000 | ≤6000 | ≤8000 |
| Depths Options (m) | 10-1000 | 10-2000 | 10-4000 | 10-6000 | 10-8000 |
| Channel Mode | MN + TT | ||||
| Connection | Wifi | ||||
| Frequency Range | 0.001~25000 Hz | ||||
| Sensitivity | 1%Fs | ||||
| Resolution | 1uV | ||||
| Frequency-selective Filtering |
Pre-set frequency and intelligent frequency selection, analog + digital filtering | ||||
| Input Impedance | ≥ 1M | ||||
| Suppression of 50Hz working interference |
≥ 60dB | ||||
| Sampling Time | 10~1380s | ||||
| Dimensions | 320*135*240mm | ||||
| Battery | 12.6V/20000mAh | ||||
| Power Consumption | 13W | ||||
| Weight | 3.5kg | ||||
| Working Environment | -20℃~+60℃,95%RH | ||||
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