Bosch DS939-CHI Classic Line PIR CM 360°Ceiling Mount Motion Detector CN F.01U.002.821

Bosch DS939-CHI Ceiling Passive Infrared Security Detector Description: PIR with micro-control self-inspection function, detection range 360 degrees x 70 feet (21 meters) in diameter The main function: Signal processing Uses passive infrared technology to provide an alarm condition when the protective field is activated The alarm signal must meet the signal requirements to activate the alarm. One-Step Detection Technology Can respond immediately to human targets, anti-false alarm capability against other sources. The FSP adjusts sensitivity based on signal amplitude, polarity, slope, and period, which saves the installer the trouble of selecting a sensitivity level for the application. Shell design Modular base and split mounting base allow users to easily set up on site, install wiring