(2) check the door around 1 m range should not have iron frame, iron table and other large metal. If the door of the library is made of stainless steel or aluminum alloy, it should be as far away from 50CM as possible, depending on the field measurement.
③ The distance between the detection door and the anti-theft host should be greater than 1 m.. ① Pipeline embedment: 25PVC pipes are embedded. Check the double-core shielded wire of the door and the host.
(2) Cutting the ground: after cutting the shielded wire, ensure that the ground and the metal U-shaped groove are on a horizontal plane. And ensure that there is no leakage and hole collapse.
(3) Arc-shaped metal trunking: ensure that the trunking can be fixed after being stuck on the ground and cleaned, and form an I-shape with two anti-theft antennas.
④ Base type (standard): Connect the shielded wire into the socket of the base in order to ensure that the connecting wire is not damaged when the equipment slides.