A sensor operated siren alerts a particular area with a alarm siren sound when ever something goes wrong as is detected by sensors. Such alarm sirens include fire alarm sires, virus sirs, pressure sirens or contamination sirens etc. Alarm sirens are employed for safety purposes so that in case of a disaster, the life and property damage can be minimized or prevented. Many of these siren systems are equipped with mobile devices which send SOS signal or call for help in case of emergencies. In places like museums and banks, a motion detecting siren is employed in case of attempt of a robbery. These sirens go off once they detect a motion in the camera network feed. These systems then report the nearby police or emergency service systems for help. Alarm sirens are employed compulsorily in every major infrastructure for safety purposes. Places like nuclear plants, thermal plants and other important and deadly infrastructures have very strict alarm siren surveillance to detect anything odd.
By: Sandeep Mahanthi
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