If the hotel quarantine access is closed, can it be opened?

Can open

The access control can be opened, but if you are isolated, you cannot open it

The door sensor system is a security alarm system. If the door sensor is not It's hard to see if you pay too much attention. The so-called door sensor is actually a door sensor switch composed of two parts: the smaller part is a permanent magnet, which has a permanent magnet inside, which is used to generate a constant magnetic field. The larger one is the main body of the door sensor, which has a normally open type inside. When the permanent magnet and the reed switch are very close (less than 5 mm), the door sensor is in a waiting state. When the permanent magnet is a certain distance away from the reed switch, it is in a normally open state. Magnets and reed switches are installed in the door frame (window frame) and door leaf (window sash) respectively. They are basically embedded installations (there are also surface installations), so people who are not in the industry are generally not able to pay attention