What Are the Different Degrees of fire truck alarm

What is alarm level?

Fire truck alarm level refers to an assessment of the severity of a fire. The assessment is based on the number of alarms issued by firefighters. This is a classification system of the fire department for fire situations, so all countries adopt this method. However, there are differences in fire levels. For example, some countries divide fires into 6 levels, and some only divide them into 3 levels, so it needs to analytics according to the specific conditions of the country.This content will roughly explain the division of fire levels.

What does 1 fire truck alarm sirens mean？

The fire department divides the fire alarm into five levels, the lowest level is the first level fire alarm, which is also the easiest to deal with, and consumes the least fire vehicles with alarms.

What does 2 fire truck alarm sirens mean？

The 2 sirens, there will be a certain increase in the number of firefighters, but there is no need to double the number. The most important thing is the increase in some fire apparatuses, such as oxygen pipes and ladders. Other items

What does 3 fire truck alarm sirens mean？

The 3 sirens is already considered a serious fire. On the basis of the second-level, additional firefighters will add and the equipment will increase. For example, at least two pumps are required.

What does 4 fire truck alarm sirens mean？

The 4 sirens is not rescued in time, it is likely to develop and bring serious consequences. However, the fire department always faces several level 4 alarm fires every year.

What does 5 fire truck alarm sirens mean？

The 5 sirens is the highest level of fire, if there is an uncontrollable situation, the fire can still progress to a worse situation. At this level, in addition to increasing personnel, an alarm will be issued, but it is still controllable.

Show you a picture about the fire truck alarm level

Why do fire trucks have sirens?

The fire truck alarm can evacuate traffic and make it reach the scene of the fire quickly. At the same time, it reminds people that when they see the fire truck performing their tasks, that is, when the fire truck turns on the sirens.the pedestrians on the road Cars and cars need proper avoidance, because their mission is very urgent. When they arrive at the fire scene one minute earlier, people’s personal safety will be rescued one minute earlier.

Click here for information on the use of fire lights

What is a fire siren?

The fire siren is a warning message issued by the sirens installed by the fire department when an alarm is issued to evacuate traffic.The sirens of the fire trucks are relatively slow, and the sirens are three-second long, with one second intervals, and the cycle repeats.

What sound does the fire engine make?

The fire truck alarm sound effect (fire truck alarm sound effect) is like Waaaaaaa. The siren sound of a fire truck is slower, but the siren sound is loud, so its penetrating power will be farther. At the same time, this is the same as the fire truck itself. The volume is larger.

How many decibels is a fire truck siren?

The decibel limit of fire truck sirens is mainly related to different laws and regulations. For example, in the United States, the decibel of sirens needs to reach 120db, but in China, this is already in the noise range, so New Yorkers often complain about the sound of sirens Disturb their sleep; in Europe, the sound of the siren will be more delicate, similar to the sound of a Hi-lo siren in a siren, so a Hi-lo siren with a siren sound is usually called a European-style siren.