Best selling backup alarm – now with multi-frequency sound!
Products of the 500 series are the back up alarm systems most purchased in Europe. They came not only in various volumes and voltages, there are also smart models, models with continuous sound or with multi-frequency sound.
This also White Noise called sound has many advantages over common beepers.
• Better to hear.
A broadband sound can be about 5 dB quieter than a beeping sound, but it is nonetheless felt and perceived to be just as loud.
• Better localisation than a beep sound.
The broadband sound is reflected less from reflecting surfaces, so that it is always clear where the source of danger is.
• Faster scatter than a beep sound.
The broadband sound is only audible in the danger zone. This means maximum perception by those affected with minimal disturbance to the surroundings.
• The pleasant sound is not irritating.
The consequence is constant vigilance; there is no de-sensitisation.
