BS 1740

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Alarms, buzzers, and sirens are used to alert people of an emergency situation or danger. The BS 1740 is a particular type of alarm that has been designed to offer better audible alarm signals than conventional alarms and alert people to threats in a wide variety of environments. In this article, we will explain the BS 1740 application field and working principle.

What Is the BS 1740?

The BS 1740 is an audible alarm system created by the British Standards Institute. The system combines a loud warning sound with a visual signal, giving people in the vicinity of the alarm sound an instant alert to a potential emergency or danger. The system is designed to sound loudly and clearly when an emergency situation arises, and is often used in fire alarms, intruder alarms, industrial alarms, and other safety systems.

Application Field of BS 1740

The BS 1740 system is used in both residential and commercial buildings. It is often seen in hotels, offices, hospitals, schools, and other public buildings. The system can also be used in areas where personal safety is a consideration, such as banks and areas of security.

The system is also popular in areas where people or goods need to be quickly and effectively alerted to an emergency situation or danger, such as factories, warehouses and production plants. In addition, the system is also suitable for areas such as shopping malls and supermarkets.

BS 1740 Working Principle

The principle behind the BS 1740 is simple. The audible alarm is wired to a power source and then connected to an initiating device such as a manual call point or smoke detector. When the initiating device is triggered, the alarm is activated and a loud warning sound is emitted. At the same time, a warning light is flashed in the area, alerting people to the situation and warning them to take appropriate action.

The sound emitted by the BS 1740 covers a wide range of frequencies and is loud enough to be heard in a large area. The sound has been tested and certified to meet British Standard BS 5646-1 and BS EN 54-23 Class A requirements, making it a reliable and effective warning system.

Conclusion

The BS 1740 audible alarm system has been designed to alert people to a possible emergency or danger quickly and effectively. It combines a loud warning sound with a visual signal, giving people in the vicinity of the alarm sound an instant alert to the situation. The system is widely used in both residential and commercial buildings and is suitable for areas such as factories, warehouses, and production plants. The sound emitted from the system is loud enough to be heard in a large area and meets British Standard requirements.

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