In public security, procuratorates, courts, judicial prisons, procuratorial stations and other important places, detailed physical examination is needed for entering personnel to prevent entering personnel from carrying guns, daggers, controlled knives, detonators, abstracts, etc. Without infringing on personal rights, the use of security inspection machines, security doors and metal detectors, liquid detectors, explosive drug detectors, etc.It is very necessary to use scientific and technological means to prevent accidents, ensure the personal safety of public security personnel entering public security units, and prevent prisoners from carrying metal objects into prison areas, violent incidents and suicide.

Security inspection machine, security gate, liquid detector, explosive, drug detector and other equipment are suitable for installation at the entrance of the indoor hall passageway. Within one meter around the installation site of the security gate, there should be no large metal objects to prevent unnecessary external metal interference when the security gate is working, so as to improve the inspection precision and accuracy of the security gate.

The underbody inspection system is suitable to be installed at the vehicle entrance to prevent illegal personnel or dangerous equipment from entering the unit when the vehicle enters the unit.