Mine Type, HFD-C Underground Water Detector / Water Finder
1. Features:
- Monitor 7 frequencies simultaneously
- Suitable for depths up to 300m
- Easy to handle and simple to learn
- Auto-monitoring, auto-storing data, and auto-drawing curves
- Equipped with USB 2.0 ports

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 underground depths up to 300 meters. It measures the intensity of the natural electric field to monitor changes in underground electrical resistivity, helping to determine the location and depth of underground water.
This instrument effectively solves key challenges such as frequency selection and interference suppression in natural electric fields. It features a waterproof casing and a user-friendly touch screen, making it easy to use and learn.
Compared to traditional DC electrical water detectors, the HFD-C offers significantly improved efficiency—measuring speed has increased by more than 8 times, while the weight has been reduced by 8 times. Over the past 20 years, 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 risks and increase exploration success rates - Detect underground water in various geological conditions - Meet demands for drinking water, industrial use, and agricultural irrigation - Engineering geological prospecting and disaster geological detection - Coal goaf, archaeological mining, city exploration, and non-metal pipe survey 5. Key Features: - Fast and efficient - Lightweight and portable - Easy to operate - High precision and accuracy - Practical and cost-effective - Flexible array methods (traditional and unique) 6. Advantages: 1. Integrated into an aluminum alloy tool case for easy transportation 2. Built-in rechargeable lithium battery, fast charging in 4 hours, lasting up to 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


Measuring Range | 0-255 mV |
Detection Depth | < 300m |
Measuring Channels | 7 channels |
Measuring Frequency | 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 |
Traditional Geo-Electrical Water Detectors | HFD-C Ground Water Detector |
Heavy equipment and complicated wiring due to manual power supply. | No need for external power. Uses natural electric field and 20-meter receiver pole with special amplification method for survey. |
Requires 3–5 people to operate, causing heavy workload and low efficiency. | Only 2 people are needed, offering high efficiency. |
Heavy, about 50–500 kg, difficult to move. | Lightweight, under 5 kg, easy to carry. |
Data must be transferred to a PC and analyzed using various software. | Equipped with a 4G U-disk for direct data transfer and analysis. |
Professional operation and expensive. | Practical and cost-effective. |
Can only locate water and its 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 rates - Detect underground water in various geological conditions - Meet demands for drinking water, industrial use, and agricultural irrigation - Engineering geological prospecting and disaster geological detection - Coal goaf, archaeological mining, city exploration, and non-metal pipe survey 5. Key Features: - Fast and efficient - Lightweight and portable - Easy to operate - High precision and accuracy - Practical and cost-effective - Flexible array methods (traditional and unique) 6. Advantages: 1. Integrated into an aluminum alloy tool case for easy transportation 2. Built-in rechargeable lithium battery, fast charging in 4 hours, lasting up to 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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