What does the supermarket acoustic and magnetic anti theft door host and auxiliary machine mean

No, nerd. The security door alarm relies on the hidden circuit inside the plastic parts that are removed with magnets. >>>More

There will be no alarm.

There are many situations of interference, such as high-frequency electrical appliances in the store, spotlights, light boxes close to the security door or the same frequency of the security door in the store next door, etc., in addition, if the label is too close to the security door, it will also be sensed. The solution should also be based on the situation at the time of the false alarm, observe the environment around the door, use the elimination method to find the cause, and non-professionals should not adjust the motherboard at the beginning. >>>More

The hinge lacks lubrication, and the abnormal noise caused by too much friction is just fine with some oil lubrication.

No, the supermarket clothing anti-theft door is also called the anti-theft antenna, which is the principle and technology of magnetic induction or video induction, and the security door is a detection device for checking whether the personnel are carrying metal objects, also known as the metal detector door.

All security doors have several kinds of filling, honeycomb panels, rock wool, foaming, these three prices are about the same, it depends on what is suitable for each place, what manufacturers are used to. The high price point is aluminum foil.