A sound level meter is a portable measuring device that is often used to measure the sound pollution levels; it is also often used to measure the legal requirement to ensure a safe sound level. It is important to calibrate the sound level meter to ensure the accuracy of the device. Every measuring kit will usually be supplied along with an acoustic calculator and it is best to calibrate it after purchasing the device.

The way the sound level meter calibrator works is that it fits over a microphone so that the software can pick up the sound level from the output and calibrate it. This article provides information on the importance of calibration sound level and the benefits of doing so.

Importance of Calibrating Sound Level

This is an essential device that is vital to measure the intensity of the sound waves. Using this device is a good way to be certain that the sound levels are below the threshold of what is safe for the human ears and that we are not exposed to loader noise levels that we can handle. Thus a sound level meter is useful at many different job sites. A sound level calibration unit is important to ensure the sound meter is calibrated in the right manner to ensure any measurement it takes is accurate.

Reasons for Sound Level Meter Calibration

A sound level meter needs to be calibrated using an acoustic calibrator prior to taking a measurement and after having taken one. This is a good way to ensure that the measurement is reliable and that it has offset any sound variation. This way one can compare the readings 6 months down the line and use it for various purposes.  In fact, one of the biggest mistakes everyone usually makes is not calibrating it often enough which can potentially result in errors in the reading.

Benefits of Calibrate

One of the major benefits of calibrating a sound level meter is to ensure any measurements taken are up to high standards and as per the rules and regulations or guidelines that have been assigned. Calibrating the sound level meter means that the measurements taken will be accurate. This will ensure peace of mind since this way one can be sure that the readings are accurate over a given period of time. Doing so will also ensure improved performance and a longer lifespan. If there is a need to meet the warranty conditions; it might be necessary to first calibrate the device prior to taking the readings.

How does it Work?

The way a sound meter works is by measuring the pressure given off by sound waves using a device’s microphone. This pressure reading is converted into decibels and placed on a noise level scale to serve the main purpose. This could be to determine the safety too. An acoustic calibration unit fits over a microphone and outputs a consistent sound level which can be detected with the help of a microphone. A software that is set with the sound levels expectations hence if there is a variation in what the device is outputting and the what it is being received by the microphone the sound level meter can offset the difference and keep the readings accurate.

Common Applications

There are many types of devices like sound level monitor, ground vibration monitoring device, etc. which have many different applications. A sound level meter has many applications of as listed here:

  • It is useful in a cinema to prevent any discre[ency in the optimal audio levels for a cinema complex.
  • This is also useful at a music festival, concert halls& at music studios to ensure the loud music does not lead to any permanent hearing damage of the listeners.
  • It is useful at construction sites and at schools as well as many other types of workplaces.
  • Airports also benefit from this type of device in more ways than one and cities also use it on the streets to monitor the noise pollution.

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