Optical turnstiles consist of two pedestal cabinets that utilize photo electric beams which create a sensing field to monitor the passage of objects. The quantity, location, and sensitivity of the sensors will vary depending upon the area of coverage. Optical turnstiles may be supplied with or without physical restrictive barriers depending upon the level of security required. They are usually monitored by an attendant and integrated with an access control system. Lane widths can vary to accommodate ADA compliance.
Optical turnstiles that are barrier-free are usually located in low security environments where rapid traffic flow and counting are important. Typical installations for optical turnstile include: cafeterias, libraries, student centers, and office buildings.
Optical turnstiles with barriers are frequently used in higher security environments, and are available in a wide variety of styles. Stainless steel arms (drop or swing), are low profile basic barriers that are minimally restrictive when used for optical turnstiles. The arms are designed operate in pairs and meet at the center when closed.
Glass barrier optical turnstiles are available in a wide variety of styles and models and offer greater physical resistance than similar models with arms. The glass appearance is visually obstructive and has a more restrictive look. The panels act similar to a that as a door by creating a physical deterrent, can be either hinged or retractable, and available in a variety of sizes.