![]() Since many facilities require both features, the use of one device only is much more practical and efficient. This device offers a combination of audible and visual notifications. Since weatherproof horns have a high tolerance for humidity and high or low temperatures, you can install these on outside walls, stairs, or any other surface. These devices are most recommended for outdoor use since they are resilient to weather conditions. ![]() You can also have different types of horns in the same building, for example, weatherproof horns, horn strobes, and low-frequency horns. Therefore, the decibel level needs to be effectively higher than the ambient sound. To alert the occupants of a building, horns emit non-intelligible signals at a specific decibel level, which can vary according to the average ambient sound volume. That happened so people can identify their tone instantly, doing an association with a fire emergency. The sound it emits can be adjusted to fit different patterns and volume requirements, but it has been standardized over time. You can install horns on the inside or outside of a building. If you design a fire emergency voice/alarm communications system, you will need to use speakers. ![]() Generally speaking, if you design a non-voice fire alarm system, you will use horns or bells. In this format, only people with direct instruction will be alerted in an emergency. Places like health care facilities and some educational facilities, on the other hand, require private-mode signaling. It means that you will have to install notification devices in every room. General office buildings, for example, require the installation of a fire alarm system on public-mode signaling. Meanwhile, high-rise constructions need the installation of speakers.Īnother thing to consider is the purpose of your building and its occupancy type. Every building with an enclosed structure below 35 meters (or 115 feet) can be considered low-rise. Low-rise constructions, for example, usually require horns. The right type of audible device for my fire alarm systemįirst, you will need to consider the size and occupation type of your building. Different types of buildings and situations require different types of notification devices, and in this article, we will explore the audible ones: the fire alarm horn, speaker, and bell. Consequently, these are considered some of the most important components of a fire alarm system. Audible and visual notification devices are responsible for alerting you in the event of a fire emergency.
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