What is the difference between horns and sirens?
Horns generate a continuous or pulsed audible tone, while sirens create a variable pitch designed to capture immediate attention. In industrial settings, loud horns and sirens are often combined with a flashing siren light to ensure both sound and visibility. Alarm horns and sirens are widely used in factories, process plants and fire alarm sirens where reliability and clarity are critical.
Can flashing sounders be used for fire alarms or evacuation systems?
Yes. Flashing sounders are commonly specified for fire alarm, evacuation, and emergency warning systems in industrial and commercial environments. A flashing sounder for fire alarms provides clear, dual mode alerts, combining bright light with a high decibel tone, to ensure warnings are seen and heard. These units are essential in areas with high ambient noise or low visibility, such as workshops, warehouses, and processing plants. They can be linked with alarm control panels to meet Australian standards for evacuation signalling.
What is a flashing sounder and how is it used in control systems?
A flashing sounder is a combined audible and visual signalling device used in industrial control systems to indicate alarms, faults, or operational changes. It emits a high intensity light pulse and a synchronised tone for effective alerting in noisy or low visibility areas. Flashing sounders are specified for machinery panels, process equipment, factory automation systems etc. These units integrate with PLCs or alarm circuits to deliver reliable, simultaneous light and sound indication in critical control and safety applications.
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