AD-120N 2D/3D RES Electrical Resistivity Tomography System With Induced Polarization
The AD-120N is a highly integrated, intelligent data acquisition platform combining Electrical Resistivity Tomography (ERT) and Induced Polarization (IP) measurement. Designed with industry-leading anti-interference technology and supporting a massive 6000W maximum transmit power, it effortlessly penetrates highly resistive and electromagnetically noisy environments, allowing you to map subsurface structures with unprecedented clarity.
| Model | AD-120N |
|---|---|
| Max Detector Depth | 300M |
| Color | Black |
| Weight | 4.2kg |
| Display | 1D IP, 1D Resistivity Ro, 1D VES, 2D IP, 2D RES, 3D RES |
| Measurement mode | 4P-VES Schlumberger, Middle Gradient, More, Wenner |
Details About AD-120N 2D/3D RES Electrical Resistivity Tomography System With Induced Polarization
Upgrade your subsurface exploration with the AD-120N Smart Electrical Resistivity Tomography (ERT) & Induced Polarization (IP) System. Engineered for challenging geological terrains, it features a robust 6000W transmitter, proprietary anti-interference circuitry, and real-time 2D/3D subsurface imaging. Whether mapping deep aquifers, delineating metallic mineral veins, or conducting complex geotechnical surveys, the AD-120N delivers crystalline data quality. A comprehensive, multi-functional resistivity meter designed for precision, depth, and ultimate field efficiency.
Core Advantages
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High Power & Deep Penetration: With up to 1000V supply voltage and 6A current output, it ensures stable and consistent signal injection even in hard rock terrains.
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Real-Time 2D/3D Modeling: Generate intuitive 2D and 3D subsurface pseudo-sections directly in the field, enabling dynamic survey line adjustments and saving costly fieldwork days.
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Exceptional Anti-Interference: Achieves better than 80dB suppression of 50Hz power frequency interference, guaranteeing clean, highly repeatable data.
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Multi-Functional Array Options: Seamlessly switch between various electrode arrays for low-density or high-density acquisition, perfectly balancing imaging depth and resolution.
Comprehensive Application Scope
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Hydrogeology & Groundwater: Deep aquifer mapping, water recharge zone identification, and saline intrusion studies.
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Mineral Exploration: Highly effective in delineating metallic ore bodies and non-metal resources through precise IP measurements.
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Engineering & Geotechnical: Foundation studies, dam base seepage exploration, and pre-concrete structure identification.
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Urban & Infrastructure: City geophysical exploration, railway, and bridge foundation inspections.
Supported Measurement Functions
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1D Vertical Electrical Sounding (VES) & IP Sounding
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1D Resistivity & IP Profiling
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Self-Potential (SP) Survey
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2D Resistivity & 2D IP Imaging
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3D Resistivity Tomography

Performance parameters
| Parameter | AD-120N |
|---|---|
| Voltage measurement range |
2500mV~+2500mV |
| Voltage resolution | 0.01uV |
| Input impedance | ≥50MΩ |
| Apparent susceptibility measurement accuracy |
±1% ±1 word |
| SP compensation range | ±2500mV |
| Current channel | 6A, ±4% ±1 word |
| Current resolution | 0.02uA |
| Suppress 50Hz power frequency interference |
Better than 80dB |
| Max. transmit power | 6000W |
| Upper limit of supply voltage |
1000V |
| Upper limit of supply current |
6A |
| Power supply waveform | Pulse width 1-60 seconds, duty ratio 1:1, bipolar |
| RAM | 2GB (support 32GB expansion) |
| Power supply | 14.8V 5200mAH lithium battery |
| Working environment | -10℃~+50℃,95%Rh |
| Storage temperature | -20℃~+60℃ |

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