The whole machine of the industrial digital metal detector is made of 304 stainless steel, which makes it have excellent waterproof performance and is suitable for harsh working environment such as high temperature, low temperature, humidity, dry, dust, dew, etc. Adopt high-speed digital signal processor and intelligent algorithm to make conveyor belt economic metal detector more stable and accurate, and can detect iron, stainless steel, copper, aluminum, lead and other metal materials; Support 24-hour uninterrupted work.