audible fire alarm
January 4, 2010 by MindBeforeFist
Filed under Alarm
Be immediately warned of a dangerous situation. Make use of audible alarms that are available in several possible types. Applications for these include security, burglary or theft, audible fire alarm, machine failure or malfunction, process monitoring, personal safety, warning siren, and many more.
Various designs include:
~air horns which are operated by compressed air
~sirens which are often electrically operated and produce a penetrating warning sound
~bells which are hollow metal devices that give off a reverberating sound when struck
~buzzers which are electronic signal devices that make a buzzing or low continuous humming sound like that of a bee
~speakers which generate a whoop sound and are designed to reproduce attention penetrating tones and voice commands for emergency signaling evacuation system
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