Hand held metal detector: this kind of hand-held detector is used to detect the metal of the personnel, mainly to check whether the personnel carry metal articles and electronic products that do not meet the requirements. It is light in weight and easy to carry. The detection distance is generally about 10 ~ 150mm. It is generally used in stations, airports, examination halls, security and other places.
Underground metal detector: this kind of detector is also hand-held, but it is not as portable as the hand-held detector. The probe is a circular or other shaped probe disk, which is mainly used to detect underground metal objects, can judge black metals and non-ferrous metals, and can eliminate ground magnetic field interference. It is mainly used to detect underground pipelines and lines, and also used for archaeological exploration.
Channel type metal detector: this detector is a channel type, with a conveyor belt. It puts the items to be detected on the conveyor belt for operation. When it detects the metal items that meet the requirements, it will give a prompt. This detector has a high accuracy, generally about 0.5 ~ 3.0 mm. It is mainly used for the safety detection of food, medicine, clothing, shoes, bags and other items.
Door frame type metal detector: this kind of detector is also the security inspection door we see everyday. It is only made into a door frame type, and some alarm prompt functions are added. It is mainly used to detect whether the human body carries metal objects and electronic products, and it is mainly used for the security inspection of stations, airports, factories, venues, etc.
