Nef-600 Mine Prospecting Instrument & Underground Water Detector

**Product Specifications:**
  • Model No.: NEF-600
  • Accuracy Grade: 1
  • Display: Digital
  • Weight Range: 0–100 kg
  • Condition: New
  • Trademark: GM
  • Origin: China
  • Type: Drop Testing Machine
  • Load Method: Electronic Load
  • Control System: Computer Controlled
  • Color Options: Optional
  • Warranty: One Year
  • Standards: CE Certified
--- **NEF-600 Mine Prospecting Instrument & Underground Water Detector** The NEF-600 is a high-performance geophysical instrument designed for underground water detection and mineral exploration. It features advanced technology that ensures accurate and reliable results in various geological environments. Key Features: 1. **Automatic Noise Reduction**: Equipped with a super 5-shift anti-jamming design, it adapts well to different geological conditions. 2. **Multi-frequency Measurement**: Capable of measuring 5 or 30 frequencies simultaneously, improving efficiency and data accuracy. 3. **User-Friendly Interface**: All operating functions are displayed on an LCD screen, making it easy to use even for beginners. 4. **Automatic Data Collection**: The device automatically measures, stores data, and generates curve maps. No need for manual recording; data can be directly transferred to a USB drive. 5. **Data Storage Capacity**: Can store up to 30 curves of 5-frequency or multiple-frequency measurement data, allowing for detailed analysis and display. 6. **Film Switch Panel**: Enhances stability and convenience during operation, while offering a sleek and modern appearance. 7. **Power Supply**: Powered by a large-capacity rechargeable lithium battery, ensuring long working hours without the need for external power sources. 8. **Electrode Test & Power Monitor**: Built-in functions for electrode testing and power monitoring, ensuring safe and stable operations. 9. **Measurement Range**: 0.001mV to 355mV (with automatic range switching). 10. **Resolution**: 0.001mV. 11. **Voltage Accuracy**: ±1% ±1LSB. 12. **Input Impedance**: ≥50MΩ. 13. **Operating Temperature**: -10°C to +50°C. 14. **Operating Humidity**: Up to 95%. 15. **Weight & Dimensions**: 2.5kg, size 31cm x 23cm x 10.8cm. 16. **Detection 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 improved performance and enhanced functionality. It uses imported IC control modules and advanced filtering systems, achieving international-level stability and precision in measurements. This model also includes improved shielding against interference and better anti-jamming designs, making it ideal for field surveys in challenging environments. **Applications:** - Widely used in metal and non-metal ore prospecting to reduce investment risks and improve exploration success rates. - Ideal for underground water detection, meeting needs for drinking water, industrial usage, and agricultural irrigation. - Suitable for engineering geological surveys, disaster prevention, coal goaf detection, archaeological exploration, urban mapping, and non-metallic pipeline surveys. **Key Advantages:** 1. **Fast and Efficient**: Complete up to 4,000 meters of profile measurements in a single day, significantly increasing efficiency compared to traditional resistivity methods. 2. **Portable Design**: Lightweight (under 5kg), no heavy power supply required. Uses low-frequency signals from natural electric fields for signal generation. 3. **Easy to Operate**: Fully controlled by a micro PC, with a user-friendly interface. Training can be completed in just 2 hours for new users. 4. **High Precision & Accuracy**: Features imported control modules and filtering chips for stable and accurate data. Resolution up to 0.001mV, with ±1% accuracy. 5. **Strong Anti-Jamming Capability**: Advanced anti-jamming technology allows clear observation of abnormal curves even in weak signal areas or high-interference environments. 6. **Flexible Array Methods**: Offers both traditional and unique electrode array methods, providing excellent geological interpretation and solving complex problems efficiently. **Technical Parameters:** 1. Automatic noise reduction with a super 5-shift anti-jamming design. 2. Supports 5 or 30 frequencies measurement simultaneously. 3. All functions are displayed on the LCD screen for easy operation. 4. Automatic data collection, storage, and curve mapping with direct USB transfer. 5. Stores 30 curves of 5-frequency or multiple-frequency data for display and analysis. 6. Film switch panel improves stability and usability. 7. Powered by a large-capacity lithium battery. 8. Includes electrode test and power monitoring functions. 9. Measuring range: 0.001mV – 355mV (auto-range). 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. Detection depth: 600 meters.

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