Motion detectors are complicated, and getting even more so.
A passive infrared Detector is designed to detect changes of infrared energy levels within specific fields of view. Changes in the environment, other than those caused by human motion may cause unwanted signals which may result in false alarms. There are many different detection devices which can be inter-connected to the alarm panel. All Security Ltd. carefully tests and screens all components before installations to insure the right type of detectors and contacts are utilized. Our certified technicians are updated and trained on the new products by the different manufactures and distributors on a regular basis.