Model 420 Passive Infrared (PIR) Intrusion Sensor is an advanced stand-alone sensor designed for specialized outdoor intrusion detection applications. A four-zone, continuous and gap-free curtain sensing pattern detects intruders by sensing temperature ...

Model 455B is a cost-effective, flexible outdoor active infrared detection sensor designed for short range applications. This solidly-constructed unit consists of a transmitter, which is the source of invisible pulsed active infrared emissions, ...

Model 460B is a long-range high performance, outdoor active infrared sensor for detection of walking, running and crawling intruders. The Model 460B consists of two 2 m (6. 7 ft) columns – a transmitter unit, which is the source of invisible, active infrared ...