Metal detector is a common safety device that can quickly and accurately detect metal objects. Its appearance is related to our production and life safety, so it is very important to understand its working principle, usage methods, and other related content. So the question is, what is a metal detection machine and what is its historical origin?

1. What is a metal detection machine? A metal detector is a safety device that can quickly and accurately identify, judge, distinguish, or remove foreign objects from metal objects and display their output signals. Usually, metal detection machines include a microprocessor unit capable of digital signal processing, a sensing unit, a signal display unit, an output unit, and a communication protocol unit. It can quickly and accurately identify, judge, distinguish or remove foreign objects from metal objects and display their output signals.

2. The historical origins of metal detection machines? With the rapid development of material production in human labor, people's requirements for safety in material production are increasingly strengthened. Starting from the 1940s, people began to make various metal reconnaissance devices. At that time, these reconnaissance instruments were mainly used to detect landmines or enemy flying objects. In the mid to late 1960s, with the rapid development of the electronics industry, people began to produce electronic reconnaissance devices and apply them to security patrols. In the late 1980s, with the rapid development of microprocessor units, people began to produce digital reconnaissance devices and apply them to security patrols. In the mid to late 1990s, with the rapid development of wireless communication protocols, people began to use wireless protocol reconnaissance devices and applied them to production and daily life.