A decibel meter, also known as the Sound Level Meter, aka SLM, is mostly and commonly used to measure sound levels anywhere. It does the work of a human ear and then further measures it and the sound pressure levels. There are many reasons why decibel meters are used, and one of the important reasons is to control or tap the sound levels from the surroundings where the noise is too high. This can be done in industrial plants, mines, construction sites, etc. However, this is used more than just where work is being done. The population of urban cities, especially in countries like India, is alarmingly high, which should not shock you. The urban and metropolitan cities are so happening that the amount of noise is alarming. Take the example of something very much in trend nowadays, concerts. Millions of people gather together in a place and sing along while the speakers blast music. 

A decibel meter mainly consists of 4 parts. They are the mic, the preamplifier, the screen display, and the signal processor. The mic is a must for the meter since its main job is to convert sound into an electrical signal. The best type of microphone for this meter is a condenser mic. As the name suggests, the preamplifier amplifies the sound the mic collects. This is essential because the sound or noise the mic collects can be very low. After the amplifier successfully amplifies the sound, the signal processor processes it. This includes adding frequency to the sound. 

Functions Of A Sound Level Meter

1. Measure Environmental Noise

This device is frequently used for measuring noises and sounds in the surroundings. This protects people from any noise or sounds unbearable to the human ear. We all know that we cannot tolerate extreme levels of sound and noise; hence, a sound level meter or a decibel meter is quite important to prevent any unwanted incidents. Especially if we are talking about urban cities and places, you know how busy these places can be and how much noise they can produce every second. The first thing that comes to our mind when we talk about urban cities is cars. The excessive amount of cars leads to extreme noise levels, and this is where the use of a decibel meter comes in. The decibel meter is needed to measure the levels of noise during the day as well as the night. This has to be done over an extended period to calculate the average. 

2. Helps Look Into The Important Things During Construction

A decibel meter is necessary when checking sound-related things in a house, building, bungalow, office, etc. With a good decibel meter, there is one way to get accurate results, like sound absorption and acoustics. This can greatly help in blocking sounds that disturb your well-being and mental peace and enhancing the circumstances by rectifying the defaults measured by the meter. 

3. Control Noise Levels From Industries

Industries are places where a lot of intensive work gets done by many people and even more machines. Hence, the noise and sound levels will obviously be incredibly high. Industries are the places where these meters are used the most, and we just told you why. These meters can perfectly measure and monitor all the types and scales of industrial noises. A lot of people also work in factories, and gaining exposure to such high levels of sound and noise can be detrimental to their health. So decibel meters do check the sound levels and whether it is too much for them or okay. 

4. Noise From Various Machines

As we already mentioned above, industries use more machinery than it does human resources, and the machines used in industries are incredibly huge because they dont do small-scale work, which explains the amount of noise they produce daily. Every industry produces its fair share of noise, from automobile to agricultural industries. The main reason this is done is so that they can figure out which machine produces an unhealthy noise level and come up with a better alternative for it while still getting work done. 

So, this was all you needed to know about decibel meters and their overall significance. There are two different types of meters. One is class 1 type, and the other is class 2 type. The first can be used for complex purposes, and the second one is easy to use and handle and does not deal with large-scale sound and noise. Nouse pollution has become a very major and crippling problem in all countries, especially India, with the population being constantly on the rise. You can not reduce people or stop work, but what you can do is measure the noises and sounds and try to curtail them as much as you can for the well being of the people, animals, plants, and the environment in general. A decibel meter can effectively detect, curb and control noise pollution. This was helpful. 

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