**Most Accurate Water Detector HFD-C**
1. **Key Features:**
- Monitor 7 frequencies simultaneously
- Suitable for depths up to 300 meters
- Easy to handle and user-friendly
- Auto-monitoring, data storage, and curve drawing
- Equipped with USB 2.0 interface
**Main Technical Parameters of HFD-C Groundwater Detector:**
2. **Brief Introduction:**
The HFD-C Multi-Function Natural Electrical Field Detector is a specialized water detection device designed for use at depths of up to 300 meters. It measures the intensity of the natural electrical field to monitor changes in underground electrical resistivity, helping to identify the location and depth of groundwater. This instrument effectively addresses key challenges such as frequency selection and noise interference in natural electric fields.
Equipped with a waterproof housing and a touch screen interface, it is easy to operate and learn. The HFD-C is portable, efficient, and offers accurate analysis. It supports automatic measurement, clear data display, and curve plotting. Compared to traditional DC electrical water detectors, it improves measurement speed by more than 8 times while reducing weight by 8 times. With over 20 years of experience, we have built a strong reputation and high customer satisfaction.
3. **Comparison with Traditional Geo-Electrical Water Detectors:**
4. **Applications:**
- Metal and non-metal ore exploration
- Reduce mineral investment risk and increase success rate
- Detect underground water in various geological conditions
- Meet needs for drinking water, industrial use, and agricultural irrigation
- Engineering geological surveys and disaster monitoring
- Coal goaf, archaeological mining, urban exploration, and non-metallic pipeline detection
5. **Main Features:**
- Fast and efficient
- Portable and lightweight
- Simple to operate
- High precision and accuracy
- Practical and affordable
- Flexible array configuration (traditional and unique methods)
6. **Advantages:**
- Integrated into an aluminum alloy case for convenient carrying
- Built-in rechargeable lithium battery, fast charging in 4 hours, lasting up to 16 hours
- Special rough and fine measurement electrodes improve speed and accuracy
- Multiple anti-jamming designs and unique modes enhance data accuracy and stability


Measuring Range | 0–255mV |
Detection Depth | <300m |
Measuring Channels | 7 Channels |
Measuring Frequencies | 4900, 2000, 600, 170, 67, 35, 25Hz |
Frequency Tolerance | ±2% |
Resolution | 0.001mV |
Repetitive Error | ±2% ±2 Bit |
A/D Converter | 16-Bit 1Msps |
Input Impedance | ≥10MΩ |
Power Frequency Suppression | >80dB |
Data Storage | 48W |
Display | 5†Touch Screen |
Interface | USB 2.0 |
Power Supply | DC7.4V 5200mAh Lithium Battery |
Power Consumption | 400mA |
Operating Temperature | -20°C to +60°C |
Humidity | Up to 80% |
Dimensions | 27×22×15 cm |
Weight | 2.3 kg |
Traditional Geo-Electrical Water Detectors | HFD-C Groundwater Detector |
Heavy equipment with complex wiring due to manual power supply | No need for external power; uses natural electric field and 20-meter receiver poles with special amplification method |
Requires 3–5 people, leading to heavy workload and low efficiency | Can be operated by 2 people, highly efficient |
Heavy, 50–500 kg, difficult to transport | Lightweight, under 5 kg, easy to carry |
Requires data transfer to PC and multiple software for analysis | Includes a 4G U-disk for data storage, enabling direct operation and analysis |
Professional operation and expensive | Practical and cost-effective |
Only detects water location and depth | Also identifies water direction, depth, and flow |



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