Industrial Grade Metal Detector is designed for control of packaged and unpackaged goods and has balance coil and electromagnetic induction detecting theory. The Detector detects all ferrous metal and non-ferrous metal, stainless steel etc and is capable of easy detecting the ferrous in aluminium foil package, suitable for secondary safety inspection. The Detector has closed magnetic loop detection head and detection adjustment from 1 to 100 steps. The Detector has strong stainless steel and mild steel made structure and comes with digital signal filter. The Detector has the feature of buzzer and lamp alarming with rejectors and has various rejection system such as belt stop, air jet, pusher, falling drop. The Detector has multi function operating system, graphical with touch screen display and built-in power stabilizer. The Detector is data storage and data printout ready and has adjustable belt speed. The Industrial Grade Metal Detector has belt speed of 32 m/minute and 40 m/ minute.