Precautions for maintenance and purchase of supermarket anti-theft labels

The anti-theft device EAS system at the entrance of the supermarket has changed the way people stare at people to see goods in the past. Because the radio frequency anti-theft device is easily affected by the surrounding electric field environment, it often fails. To debug this type of model, first check whether the transmitting antenna is normal. Hard tag then is made of steel pin, plastic casing, lock core, and lock core is a more important part, and it is the simple and easy device that is formed by three beads 11 a steel ring and a spring. In the process of installing the supermarket anti-theft device, it must not be operated with electricity. But many of us have also tried to open it by pulling out the steel needle by hand. It may be the main board, sensitivity, power supply and other problems of the device. Generally, these problems cannot be solved by professionals. Keep a certain distance between the hard tag and the decoder, and it is better to store the hard tag in a metal box. Frequency deviation characteristics: The frequency deviation of the high-quality anti-theft buckle is small.

The supermarket anti-theft door is used to prevent the theft of goods in supermarkets and other places, because it has the advantages of simple installation, economical and practical, and good anti-theft effect. There are also freight charges for transportation, installation charges and workers' travel expenses, on top of these. Is it possible to return or exchange within a certain period of time; if there is a problem with the anti-theft consumables supporting the product, can it be returned or repaired; and it is necessary to choose a product with a longer warranty period.