Good Quality! HFD-C Deep Underground Water Detector
1. Features:
- Monitor 7 frequencies simultaneously
- Suitable for depths up to 300 meters
- Easy to handle and learn
- Auto-monitoring, auto-storing data, and auto-drawing curves
- Equipped with USB 2.0 ports
Main Technical Parameters of HFD-C Groundwater Detector:
| Parameter | Specification |
|----------|---------------|
| Measuring Range | 0–255 mV |
| Detection Depth | <300m |
| Measuring Channels | 7 channels |
| Measuring Frequencies | 4900, 2000, 600, 170, 67, 35, 25 Hz |
| Frequency Tolerance | ±2% |
| Resolution | 0.001 mV |
| Repetitive Error | ±2% ±2 Bit |
| A/D Converter | 16 Bits, 1 Msps |
| Input Impedance | ≥10 MΩ |
| Power Frequency Suppression | >80 dB |
| Data Storage | 48W |
| Display | 5" Touch Screen |
| Interface | USB 2.0 |
| Power Source | DC 7.4V, 5200mAh Lithium Battery |
| Power Consumption | 400mA |
| Operating Temperature | -20°C ~ +60°C |
| Humidity | 80% |
| Dimensions | 27 × 22 × 15 cm |
| Weight | 2.3 kg |
2. Brief Introduction:
The HFD-C Multi-Function Natural Electrical Field Detector is a specialized tool designed for detecting underground water at depths of up to 300 meters. It measures the intensity of the natural electric field to monitor changes in underground electrical resistivity, helping to identify the location and depth of underground water sources. This instrument effectively solves common issues such as frequency selection and interference in natural electric fields. It features a waterproof casing and a touch screen, making it user-friendly and easy to operate.
Compared to traditional DC electrical water detectors, the HFD-C significantly improves measuring speed by over 8 times while reducing the weight by 8 times. With over 20 years of industry experience, we have earned a strong reputation among our customers.
3. Comparison with Traditional Geo-Electrical Water Detectors:
| Traditional Geo-Electrical Water Detectors | HFD-C Ground Water Detector |
|---------------------------------------------|-----------------------------|
| Heavy equipment and complex wiring due to manual power supply | No need for power supply; uses natural electric field and 20-meter receiver pole |
| Requires 3–5 people to operate, low efficiency | Can be operated by 2 people, high efficiency |
| Heavy, 50–500 kg, hard to move | Lightweight, <5 kg, easy to carry |
| Data must be transferred to PC for analysis | Uses 4G U-disk for data storage and processing |
| Professional operation, expensive | Practical and cost-effective |
| Only detects water location and depth | Provides information on water location, direction, depth, and flow |
4. Applications:
- Metal and non-metal ore surveys
- Reduce mineral investment risks and increase exploration success rate
- Detect underground water under various geological conditions
- Meet the needs for drinking water, industrial use, and agricultural irrigation
- Engineering and disaster geological surveys
- Coal goaf, archaeological mining, city exploration, and non-metallic pipe surveys
5. Main Features:
- Fast and efficient
- Portable and lightweight
- Simple and intuitive operation
- High precision and accuracy
- Cost-effective and practical
- Flexible array configurations (traditional and unique methods)
6. Advantages:
1. Integrated into an aluminum alloy case for easy transportation
2. Built-in rechargeable lithium battery, fast charge in 4 hours, long working time of 16 hours
3. Special rough and fine measurement electrodes improve speed and accuracy
4. Multiple anti-jamming designs and unique modes enhance data accuracy and stability







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