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Noise measurement specialist Cirrus Research is advising owners of noise measurement equipment to ensure that their instruments are calibrated regularly by an approved laboratory.

According to the company, this will help to verify that the instruments are healthy and providing accurate measurements throughout the year.

It is essential that noise measurement instruments measure accurately not only to meet standards, regulations and guidelines but also to clarify on an ongoing basis whether noise damage is occurring in the workplace or the environment.

Each time a piece of equipment is used, it should automatically be calibrated using an acoustic calibrator, both before and after each measurement.

This helps to verify that the equipment is working correctly and is known as field calibration.

However, owing to the precise nature of a measurement instrument, it should be subject to routine factory verification to ensure that it continues to perform accurately and to operate to its original specifications.

James Tingay, group marketing manager at Cirrus Research, said: ‘By the very nature of the job a noise measurement instrument carries out, it is imperative that it is designed and manufactured to perfect standards.

‘However, while individuals are willing to invest heavily in the necessary equipment, the ongoing maintenance is sometimes overlooked.

‘Having a noise measurement instrument calibrated every year is as vital as a human being visiting the dentist on a regular basis.

‘By opting to use a calibration service, it allows every function that is available on the instrument to be checked to ensure that it meets the same specifications it had when the instrument was new,’ he added.

Cirrus Research provides calibration and repair services for the entire Cirrus noise measurement product range with fully trained engineers with many years’ experience in the industry making sure the products are as good as new.

A number of areas are checked during a calibration service at Cirrus Research, and these vary depending on the make and model of the equipment tested.

Another feature of the company’s service is that an instrument can have its warranty extended by a further 12 months when it is calibrated.

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