The GJT-B series is a new generation of the metal detector.The circuit design adopts digital phase shifting technology, which has stable performance, high detection sensitivity and strong anti-interference ability. Mainly used in thermal power, cement, building materials, coking, mineral processing, paper making, forestry, environmental protection, food processing, vegetable freezing and other industries' belt conveyor processing.It uses the inductance signal when the metal into the sensor coil ...