The food processing industry uses machines with puncturing devices like stainers, which can be as small as half a millimeter. Generally speaking, Metal detectors can identify metal, whether ferrous or nonferrous, ranging from fragments of one millimeter to thirty centimeters. These are handheld construction and aerospace models which are classified as under 1.5 kg. All of these devices retain Foreign Object Damage Hazard certification of HACCP and ISO 22000 for primary key processes.
