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Security is a rising concern in the world today. From hackers accessing valuable information to intruders threatening the safety of people and property, companies are recognizing the need for better security. To improve the physical security of buildings and facilities, one of the best options is often the use of turnstiles to control employee and visitor access. It is also called Barrier Gate like Flap Barrier Gate, Swing Barrier Gate or Speed Gate.
Benefits of Turnstiles over Doors
The following highlights the advantages of using a turnstile rather than a door, including improved security, effective integration with the facility's access control system and increased operational flexibility.
Turnstiles provide superior access control by both detecting and deterring unauthorized entries. When entering a facility, often the first point of entry is through a door. A common solution to secure the facility is to add a card or biometric reader and electric locks to the door. While a reader and lock requires a valid credential to unlock the door, it cannot control how long the door is open or how many people enter. Unauthorized individuals can follow authorized personnel through the secured door, resulting in a common security issue referred to as "tailgating". Additionally, a door cannot isolate the direction of authorized passage. For instance, if a door is activated for entry, it will not be able to prevent exiting at the same time while it is open.
Unlike doors, turnstiles can limit the number of people who can enter or exit on each presented credential and control the direction of passage. And there are some different types of turnstiles used in different scenes like Tripod Turnstile, Wide Lane Turnstile, Full Height Turnstile and Vertical Tripod Turnstile. In order to enter through a turnstile, a person must first present a valid credential. This signals the barriers to unlock and allow one person to pass before immediately relocking. Some turnstiles have enhanced detection features to recognize and notify of instances such as tailgating, loitering and forced passage. An unauthorized entry attempt will trigger an alarm, notify the user and alert the control center of the conflict.