The Vixdetect multi-frequency metal detection systems based on electromagnetic induction principle, are to detect metal contaminations in food and pharmaceutical. The system adoptsthe dynamic phase adjustment technology, which can effectively inhibit the product effect.lt can not only detect conventional dry or semi-dry products, but also effectively detect various productsthat are difficult to detect and rich in salt, such as products, salted products, products and so on, with high sensitivity and great reliability.