Sunday, February 8, 2009

Sensor for Home Security System

Sensor is a very popular electronic device used in home security system. The prime function of sensor is to sense an object and also signal as well. Factors like pressure, temperature, light intensity and sound etc are sensed and measured by this device. This new electronic device has started to make a continued presence in many houses and corporate offices. The technology is such that, door sensors even use microwave rays and infrared to identify and observe movements near doors.

The prime functions involved with sensors are that of, sensing, communication and calculation. All these operations are done using security system in wire as well as wireless forms. There are several sensors like, infrared sensor, capacitive, piezo electric sensor and optical sensor. The sensor works using photoelectric detector. The most popular sensor is normally commercial wireless door sensor that is quite apt at detecting sound, intrusion of any kind and even natural elements like heat, air waves and other elements. One can choose sensors as per his needs and location of the home/office. The lifestyle and fire alert sensors are also crucial factors while deciding upon door sensors.

Sensor does not work in isolation. To complete its operations it has been attached with burglar alarm, camera, siren, smoke detector etc. One can either go for sensors that use infrared or microwaves or can opt for hard wired security system. The later option is more expensive because of the costs associated with using wires and installation charges.