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**ADMT-C (ADMT-1S) – Mineral Detection Instrument / Natural VLF Water Detector**
**1. Brief Introduction**
The AD-C Mineral Detection Instrument / Natural VLF Water Detector is a cutting-edge device that integrates advanced technologies from both domestic and international sources. It effectively addresses challenges such as signal shielding, selective amplification, and multiple anti-jamming techniques in complex natural electric fields. This portable tool is designed to replace traditional heavy power supplies with the use of natural electromagnetic fields, making the entire system weigh less than 5kg.
Its key features include ease of operation, portability, high accuracy, and fast data collection. Compared to traditional DC resistivity prospectors, this instrument can complete up to 10 times more work in the same time frame. With over 20 years of practical application, it has become a reliable and widely praised portable earth resistivity meter in the industry.
**2. Working Principle**
The AD-C detector utilizes variations in resistivity caused by natural electric fields and different geological structures to detect underground water sources such as bedrock fractures, karst water, and gravel layer water. It provides detailed information on the location, depth, and flow of water. Compared to other detection tools, it offers significant advantages: speed, high accuracy, full data coverage, portability, and user-friendly operation.
**3. Main Applications**
- Underground water detection for drinking, industrial, and agricultural use.
- Metal and non-metal ore exploration to reduce investment risks and improve success rates.
- Engineering and geological surveys, disaster monitoring, coal mine goaf detection, archaeological studies, urban exploration, and non-metallic pipeline surveys.
**4. Key Features**
- **Fast and Efficient:** Complete 4,000 meters of profiling in one day, increasing efficiency by 10 times compared to traditional methods.
- **Portable & Lightweight:** No heavy power supply required; total weight under 5kg for easy transport.
- **Easy to Operate:** Fully automated via micro PC; users can learn basic operations in just 10 minutes.
- **High Precision:** Measures with a resolution of 0.001mV and accuracy of ±5%.
- **Strong Anti-Jamming:** Produces clear results even in noisy environments through frequency selection and digital processing.
- **Flexible Array Methods:** Supports both traditional and unique electrode array configurations for better geological interpretation.
**5. Technical Specifications**
- Automatic noise reduction and strong anti-jamming capability.
- 3 or 30 frequencies measured simultaneously.
- All functions displayed on an LCD screen.
- Supports automatic measurement, data storage, and curve mapping.
- Data remains safe even after power loss.
- Storage capacity for 30 curves at three frequencies and 30 multi-frequency curves.
- Data can be transferred via USB and printed or mapped on a computer.
- Powered by rechargeable batteries.
- Includes electrode detection and power monitoring functions.
- Measuring range: 0.001mV–255mV (auto-ranging).
- Measurement resolution: 0.001mV.
- Accuracy: ±5% ±3 bytes.
- Input impedance: ≥10MΩ.
- Operating temperature: -10°C to +50°C.
- Humidity: Up to 95%.
- Detection depth: 300–400 meters.
**Basic Product Information**