Security, reliable protection of your home or office make you look for more advanced constipation that can not be cracked. A popular device - a code lock on a door - provides access to the room only to those who know the code or have an electronic key. It is installed on the porch doors, in offices. By type, electromechanical and electromagnetic devices are distinguished. Depending on the design of the lock, a mechanical or electronic key, as well as a key fob, are used for unlocking. To unlock the mechanical code lock, you must enter the code by pressing a few buttons. When the door closes, the device's security mode is activated. But such locks are not very reliable: there is always the opportunity to spy on the code.
An electromagnetic code lock on the door is unlocked with a magnetic key, which must be attached to a specific place. An electronic magnet consists of a core and a winding. When the lock is closed, an electric current passes through a closed circuit and creates an electromagnetic field. The circuit opens after entering the code. Such locks are very strong and reliable. There are electromagnetic locks that continue to work even after a power outage. They are called crossbar, they are powered by a built-in battery.
For use in apartments, the code lock on the door is practically not used. They are more suitable for office space. The most convenient is an electronic lock, as it has a lot of advantages. In such devices, personal codes can be used. Locks have the property of fixing the opening time, quick code change. Almost all doors with electronic locks can be locked with one command.
If you have installed an electronic lock on the door, then you are reliably protected from breaking. Such devices, unlike other designs, are less susceptible to opening. Of the undoubted advantages of combination locks can be called high reliability, aesthetics. In the future, an intercom system can be created from an electronic device. The lock is suitable for almost any door.
The latest designs of electronic locks are almost invisible on the door. They can be opened with a key fob, like a car. It is very comfortable. The latest models of devices are protected from precipitation and other weather conditions. Convenient electronic combination lock and the fact that it consumes little electricity, its power sources are enough for years of operation. You can find models with two panels that are located outside and inside the door. There is a reverse option when one panel is used to control two locks. Electronic devices are characterized by increased secrecy and the ability to use in the most unexpected places. Models of electronic locks unlocked with a code are very popular. If the code is typed incorrectly in several attempts, the lock will be locked for several minutes.
Due to the complex design, the code lock on the door should only be installed by specialists. To resort to the help of professionals is in order to avoid trouble and install the device correctly.