Food Grade Metal Detector for Seafood Industry & Pharmaceutical Applications
High-performance 304 stainless steel metal detection systems designed for food and pharmaceutical industries.
How Metal Detection Systems Work
All general purpose nonferrous metal detectors operate on the same fundamental principle:
- Three coils are wound exactly parallel on a non-metallic frame
- The center coil connects to a high-frequency radio transmitter
- Two transmission-receiving coils sit on either side of the center coil
- Identical outer coils receive the same signal and produce balanced output voltage
When metal passes through the system:
- The high-frequency field is disturbed beneath one coil
- Voltage changes disrupt the balance between coils
- The system detects the imbalance and signals metal presence
- Rejection mechanisms activate to remove metal contaminants
Benefits of Metal Detection Investment
Protecting your brand reputation is crucial in food manufacturing. A single safety recall can jeopardize years of quality investment. Metal detection provides an effective, verifiable inspection method to safeguard both customers and brand integrity. While commercial factors matter, technical performance should be the primary consideration when selecting equipment to protect your reputation.
Selecting the Right Metal Detection Equipment
Evaluate your operating environment carefully:
- Environment Type: Assess whether your area is wet or dry with temperature variations
- Wash Down Requirements: IP65 rating for low-pressure wash downs; IP69K for high-temperature, high-pressure conditions
- Chemical Exposure: For caustic agents, consider Type 316L stainless steel for superior resistance
- Dry Environment Considerations: Avoid painted surfaces in product streams to prevent paint chip contamination
- Durability: Robust display screens and keyboards reduce downtime and replacement costs
Sensitivity Reference Specifications
| Tunnel Size | 40×12cm | 40×15cm | 40×20cm | 50×15cm | 50×20cm | 50×25cm | 50×30cm |
| Sensitivity Fe (mm) | 0.8 | 1.0 | 1.2 | 1.0 | 1.2 | 1.5 | 2.0 |
| Sensitivity SUS (mm) | 1.5 | 2.0 | 2.5 | 2.0 | 2.5 | 3.0 | 3.5 |
| Detection Height | 120 | 150 | 200 | 150 | 200 | 250 | 300 |
| Detection Width | 400 | 500 |
Belt Speed: 10-35 meters per minute adjustable
Alarm Method: Light and sound with optional rejection mechanism