underground metal detector: Application: Widely used in food industry, Pharmaceutical, food additive, condiment, health care things and toy etc., Characteristics: 1. 3 operating frequencies and can select the most suitable frequency auto matically according to products signal. 2. Self-learning function contributes to automatically choose suitable working parameters according to diferent products. 3. 100 types of products information can be stored. 4. Advanced DSP technology, improving inspect performance greatly. 5. Advanced genetic algorithm, suppressing products signal effectively and dramatically improving detection sensitivity. 6. Detect impurities in products packaging with evqporating aluminum. 7. Leding self-balancing algorithm, promoting stability of the machine. 8. Adjust conveyor belt speed. 9. Simple conveyor structure, easy clean 10. Fairly good waterproof ability. 11. LCD touch screen and a friendly user interface. 12. Kinds of languages select.