Alarm system is a device that give a audible sound or different kinds of sound to draw a attension of humans. Alarm are ofen comes with a serin. It has serval types of alarm devices bulgar alarm,alarm clocks,distriubted control system,firstout alarm,civil alarm,firealarm etc.
Blugar alaram designed to warn of burglaries this is often a silent alarm: the police or guards are warned without indication to the blugar, which increases the chances of catching him or her. Alarm clocks are usually used in clocks when the key twisted for a desierd time when that time comes it will create some sound there are different types of sound produced and its depends upon the clock types and rates.
Distriubted control alarm known as ( DCA ) this type of alarm generally seen in a nuclear,chemical power plants to draw a attention of the supervisor that he/she need to address.firstout alarm generally used in public place it will trigger when dangerous event occurs. civil alarm also known as tornado sirens or air raid sirens.
Fire alarm are generally seen office room,cabinet,malls and shops when fire occurs it will due to the thermal sensor if degree is goes beyond the minium level it will raise the sound.
Alarms have the capability of causing a fight responce in human a person under this mindset will panic and either flee the perceived danger or attempt to eliminate it, often ignoring rational thought in either case. We can characterise a person in such a state as alarmed.
There is also one kind of alarm called false alarm. This kind of alarm used when the device is not dected. Australian security system is the popular secutity system company in Australia. Alarm secutity australia pyt ltd, the battery terminal, lee and thomas, western auto electric this are the service centres in australia.