HFD-C Multi-Function Natural Electrical Field Detector, capable of detecting up to 300m depth.
1. Features:
- Monitor 7 frequencies simultaneously
- Designed for depths up to 300m
- User-friendly and easy to learn
- Auto-monitoring, auto-data storage, and curve drawing
- Equipped with USB 2.0 port
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 depths of up to 300 meters. It measures the intensity of the natural electrical field to monitor changes in underground electrical resistivity, helping identify the location and depth of underground water. This instrument effectively addresses key challenges such as frequency selection and anti-jamming in natural electrical fields.
Featuring a waterproof housing and a 5-inch touch screen, it is easy to handle and simple to learn. The HFD-C is portable, efficient, and offers accurate analysis. It supports automatic measurement, displaying clear data and curves. Compared to traditional DC electrical water detectors, its measuring speed has increased by more than 8 times, while its weight has been reduced by 8 times.
With over 20 years of experience, we have built a strong reputation and received high praise from our customers.
3. Comparison with Traditional Geo-Electrical Water Detectors:
4. Applications:
- Metal and non-metal ore surveys
- Reduce mineral investment risk and increase exploration success rate
- Underground water detection in various geological conditions
- Meet needs for drinking water, industrial use, and agricultural irrigation
- Engineering and disaster geological prospecting
- Coal goaf, archaeological mining, urban exploration, and non-metal pipe surveys
5. Main Features:
- Fast and highly efficient
- Easy to carry
- Simple operation
- High precision and accuracy
- Practical and cost-effective
- Flexible array methods (traditional and unique)
6. Advantages:
- Integrated into an aluminum alloy tool case for convenient transportation
- Built-in rechargeable lithium battery, fast charging in 4 hours, long usage time of 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 channel | 7 channels |
Measuring frequency | 4900, 2000, 600, 170, 67, 35, 25Hz |
Frequency tolerance | 2% |
Resolution | 0.001mV |
Repetitive error | ±2% ±2 Bit |
A/D switch | 16 Bits 1Msps |
Input impedance | ≥10MΩ |
Power frequency suppression | >80dB |
Data storage | 48W |
Display | 5" touch screen |
Interface | USB2.0 |
Power source | DC7.4V 5200mAh lithium battery |
Power consumption | 400mA |
Temperature | -20ºC ~ +60ºC |
Humidity | 80% |
Dimension | 27×22×15CM |
Weight | 2.3KG |

Traditional geo-electric water detectors | HFD-C Ground Water Detector |
Heavy equipment and complex wiring due to manual power supply. | No need for external power; uses natural electric field and 20-meter receiver pole with special amplification method. |
Requires 3–5 people to operate, leading to heavy workload and low efficiency. | Only 2 people needed, high efficiency. |
Heavy, weighing 50–500kg, difficult to transport. | Lightweight, under 5kg, easy to carry. |
Data must be transferred to PC and analyzed using various software. | Equipped with a 4G U-disk for data transfer and analysis. |
Professional operation and expensive. | Practical and cost-effective. |
Only identifies water location and depth. | Provides information on water location, direction, depth, and flow. |




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