EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of EN ISO 7731 testing. EN ISO 7731 specifies the physical design principles, ergonomic requirements and relevant test methods for distress signals for public and work areas in the signal reception area, and gives guidelines for the design of signals. It can also be applied to other appropriate situations.
EN ISO 7731 does not apply to verbal danger warnings (eg shouts, loudspeaker announcements). ISO 9921 covers verbal distress signals.
The standard defines the characteristics of auditory distress signals, including volume, frequency range, and duration of the signal. The signal should be loud enough to be heard over the background noise in the area, but not loud enough to cause hearing damage. The frequency range should be within the normal human audible range and the duration of the signal should be sufficient to allow people to recognize and react to the danger.
The standard also specifies the different types of audio signals that can be used, including continuous signals, intermittent signals, and modulated signals. The choice of signal type depends on the nature of the hazard and the environment in which it is used.
The standard provides guidelines for the installation and use of audible distress signals, including the placement of signals, the use of warning lights, and the maintenance of signals to ensure their continued effectiveness.
In general, the EN ISO 7731 standard provides a comprehensive set of guidelines for the design and use of audible distress signals in public and work areas. By following these guidelines, designers and users of such signals can ensure that they are effective, safe and easy to understand, and provide an appropriate warning of potential hazards or hazards.
EUROLAB assists manufacturers with EN ISO 7731 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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