Nef-600 Mine Prospecting Instrument & Underground Water Detector

**Product Specifications:**
  • Model No.: NEF-600
  • Accuracy Grade: 1
  • Display: Digital
  • Weight: 0–100Kg
  • Condition: New
  • Trademark: GM
  • Origin: China
  • Type: Drop Testing Machine
  • Load Way: Electronic Load
  • Control: Computer Control
  • Color: Optional
  • Warranty: One Year
  • Specification: CE
--- **NEF-600 Mine Prospecting Instrument & Underground Water Detector** The NEF-600 is a high-performance geophysical instrument designed for underground exploration and mineral detection. It features advanced noise reduction technology and an innovative 5-shift anti-jamming system, making it suitable for diverse geological environments. Key Features: 1. **Automatic noise reduction** with a super 5-shift anti-jamming design to ensure accurate readings in various conditions. 2. Supports **5 or 30 frequencies** for simultaneous measurements, enhancing efficiency and data accuracy. 3. All operating functions are displayed on the **LCD screen**, offering a user-friendly interface. 4. Provides **automatic measurement**, data storage, and curve mapping, eliminating the need for manual data recording. 5. Data can be directly transferred to a USB drive for easy access and analysis. 6. Stores up to **30 curves** of 5-frequency and multiple frequency data, allowing comprehensive data visualization. 7. Equipped with a **film switch panel** for stable and convenient operation, with an elegant design. 8. Powered by **large-capacity rechargeable lithium batteries**, ensuring portability and long working hours. 9. Includes **electrode testing and power monitoring functions** for enhanced safety and reliability. 10. Measuring range: **0.001mV – 355mV** (auto-range transfer). 11. **Resolution**: 0.001mV. 12. **Voltage Accuracy**: ±1% ±1LSB. 13. **Input Impedance**: ≥50MΩ. 14. **Operating Temperature**: -10°C to +50°C. 15. **Operating Humidity**: 95%. 16. **Weight**: 2.5kg, Dimensions: 31cm × 23cm × 10.8cm. 17. **Detect Depth**: 300–400 meters. --- **NEF-800 Mine Prospecting Instrument & Natural VLF Water Detector** The NEF-800 is an upgraded version of the NEF-600, featuring imported IC control modules and advanced filtering technology that reaches international standards. It offers superior stability and accuracy in data measurement and improved shielding against interference. Applications: 1. Widely used in **metal and non-metal ore prospecting**, helping reduce investment risks and improve success rates. 2. Ideal for **underground water detection**, meeting needs for drinking, industrial, and agricultural use. 3. Applied in **engineering and disaster geological surveys**, coal goaf detection, archaeological mining, urban exploration, and more. Benefits: 1. **Fast and efficient**: Can complete about 4,000m of profile measurement per day, improving speed by 10 times compared to traditional resistivity methods. 2. **Lightweight and portable**: Weighs less than 5kg, making it easy to carry in the field. 3. **Easy to operate**: Fully controlled by a micro PC, with simple setup and minimal training required. 4. **High precision and accuracy**: Uses imported IC chips for filtering and control, ensuring stable and reliable data. 5. **Strong anti-jamming capability**: Advanced technology allows clear data collection even in weak signal areas or high-interference environments. 6. **Flexible array methods**: Offers both traditional and unique electrode array configurations for better geological interpretation. Technical Parameters: 1. Automatic noise reduction with a 5-shift anti-jamming design. 2. Supports 5 or 30 frequencies for synchronized measurement. 3. All operations are performed via the LCD screen for ease of use. 4. Features automatic data collection, storage, and curve mapping. 5. Capable of storing 30 curves of 5-frequency and multi-frequency data. 6. Film switch panel ensures stable and convenient operation. 7. Power source: Large-capacity rechargeable lithium batteries. 8. Includes electrode test and power monitoring functions. 9. Measuring range: 0.001mV – 355mV (auto-range transfer). 10. Resolution: 0.001mV. 11. Voltage accuracy: ±1% ±1LSB. 12. Current accuracy: ±1% ±1LSB. 13. Input impedance: ≥50MΩ. 14. Operating temperature: -10°C to +50°C. 15. Operating humidity: 95%. 16. Weight: 2.5kg, Dimensions: 31cm × 23cm × 10.8cm. 17. Detect depth: Up to 600 meters.

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