Nef-800 Mine Prospecting Instrument & Natural Vlf Water Detector

The NEF-800 Mine Prospecting Instrument & Natural VLF Water Detector is an advanced upgrade of our previous models, designed for improved performance and reliability. Built with fully imported IC control modules and high-quality filtration systems, it delivers international-level precision and stability in data measurement. The instrument has been further enhanced in signal shielding and anti-jamming design, making it ideal for field surveys and geological exploration. **Key Features:** - **Model No.:** NEF-800 - **Vertical Lines:** 4 - **Horizontal Lines:** 1 - **Accuracy:** 1mm - **Detect Depth:** 600m - **Transport Package:** Cartons - **Origin:** China - **Certification:** CE - **Trademark:** GM - **Specification:** CE **Applications:** The NEF-800 is widely used in metal and non-metal ore prospecting, underground water detection, engineering geology, disaster prevention, coal goaf exploration, archaeological surveys, urban exploration, and non-metallic pipeline detection. It significantly reduces the risk of mineral investment and improves the accuracy and scientific nature of exploration. **Advantages:** 1. **High Efficiency:** Capable of completing up to 4,000 meters of profile measurement in a single day, increasing efficiency by about 10 times compared to traditional resistivity methods. 2. **Portable Design:** Weighing less than 5kg, it is easy to carry and does not require heavy power supplies. 3. **User-Friendly Operation:** Controlled by a micro PC, it can be learned within 10 minutes, and training for new users takes only 2 hours. 4. **Precision and Accuracy:** Equipped with imported control modules and filtering chips, it offers high stability and accuracy, with a resolution of 0.001mV and a precision of ±1%. 5. **Strong Anti-Jamming Capability:** Advanced anti-jamming technology ensures reliable performance even in weak signal areas, cities, and high-interference environments. 6. **Flexible Array Method:** Offers both traditional and unique electrode array methods, providing clear geological interpretation and excellent results in determining ore vein direction, depth, and thickness. **Technical Specifications:** - Automatic noise reduction with a super 5-shift anti-jamming design - Supports 5 or 30 frequencies measurement simultaneously - All operating functions are displayed on an LCD screen - Fully automatic measurement, data storage, and curve mapping - Can store 5 frequency data from 30 curves and multiple frequency data from 30 curves - Film switch panel for stable and convenient operation - Power supply: Large-capacity rechargeable lithium batteries - Electrode test and power monitoring functions - Measuring range: 0.001mV ~ 355mV (auto-range transfer) - Resolution: 0.001mV - Measuring voltage accuracy: ±1% ±1LSB - Measuring current accuracy: ±1% ±1LSB - Input impedance: ≥50MΩ - Operating temperature: -10°C ~ +50°C - Operating humidity: 95% - Weight: 2.5kg, Size: 31cm × 23cm × 10.8cm - Detection Depth: 600m This instrument is an essential tool for geophysical surveys, offering speed, accuracy, and ease of use. Whether you're exploring for minerals, detecting underground water, or conducting engineering surveys, the NEF-800 is your reliable partner in the field.

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