Underwater Metal Detector Proton Magnetometer
This is an underwater metal detector with a proton magnetometer. It features high resolution, full automatic tuning, and a dot matrix graphic LCD.



Technical Specifications
Product Overview
High-Sensitivity Proton Magnetometer
This proton magnetic detector is a highly sensitive instrument designed for precise weak magnetism measurement, operating on the principle of proton magnetic moment in geomagnetism. It is an essential tool for geological exploration, oil and coal surveying, ocean magnetic measurements, and earthquake prediction research. The system features a robust, portable design with full automatic tuning and PC connectivity for efficient data analysis.
Key Performance Metrics
Measurement Range
Accuracy & Resolution
| Parameter | Value |
|---|---|
| Resolution | 0.1nT |
| Precision | ±1nT |
| Vertical Gradient | ≤2000nT/m |
| Horizontal Gradient | ≤1500nT/m |
Technical Specifications
Data Storage Capacity
- 4005 points (daily variation method)
- 2670 points (manual method)
Power & Environmental
- Battery: Lithium, 15.5V-16.8V/3.8Ah
- Battery Life: 10 hours continuous
- Operating Temperature: -20°C to +50°C
- Operating Humidity: ≤90% (at 30°C)
Physical Dimensions
Dimensions & Weight
| Component | Size (mm) | Weight |
|---|---|---|
| Mainframe | 210 x 80 x 200 | 2 kg |
| Probe | 72 x 140 | 1 kg |
Features
- Key Features
- High ResolutionAutomatic TuningDot Matrix LCDPC ConnectivityAnti-jammingLow Power ConsumptionDaily Variation Calibration

