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Archive | Noise Measurement

Where can I get advice about noise measurement instruments?

This may sound like an odd question, especially when you consider what we do at Cirrus!. The obvious answer would be to say “Cirrus” and that’s what I’m going to say. Ask us and we’ll be pleased to help. Over the course of our history (which goes back 40 years!), we’ve gathered a wealth of knowledge, information and advice about Read More…

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Top 10 reasons why repeating a noise measurement could give different results

Here’s a post from Gill Cussons, one of our UK Business Development Managers. Gill has been working with our UK customers for a few years and has come across such a wide range of questions that she’s put together an answer to a common one. So over Gill. Your sound level meter is a precision instrument and as long as Read More…

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What do you need to measure for the Noise at Work Regulations?

When making measurements to estimate the noise exposure of a person at work, you need to ascertain the equivalent continuous A-weighted sound pressure level (LAeq) that represents the noise the person is exposed to during the working day. You also need to ascertain the maximum C-weighted peak sound pressure level or levels to which the person is exposed. The action Read More…

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Why Do You Need a Windshield on a Sound Level Meter?

A windshield is a very useful part of your noise measurement equipment and there are several reasons why you should use a windshield when you are making noise measurements. Reduce the effects of wind & air movement across the microphone Protect the microphone from damage Keep the microphone capsule clean Expand your Noise Knowledge!Signup to the NoiseNews blog for the Read More…

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The Free Pocket Guide to the Noise at Work Regulations

Our Free Pocket Guide to the Noise at Work Regulations is back by popular demand! Launched at the Safety & Health Expo 2011 in June (where we got through over 1000!), this handy little guide has a quick reference to the exposure action levels along with a chart that shows some typical noise levels. The Free Pocket Guide to the Read More…

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What a load of noise! – Cirrus Research’s new noise nuisance recorder to help combat noisy neighbours

Recent research by Which? Legal Services* highlights that at least five million households are struggling to cope with noisy neighbours whose anti-social behaviour can range from violent arguments to loud music.  With more than ten million households having experienced a neighbour problem in the last year, the equivalent to more than three in ten of all households, noisy neighbours are Read More…

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EU announces plan to make cars and lorries quieter

The European Commission has announced plans to tighten noise limits for cars, lorries and buses with a proposal expected within weeks and by September at the latest. Environmental and health organisations have welcomed the Commission’s announcement but called for standards that go much further towards World Health Organisation (WHO) recommendations for avoiding dangerous impacts on health from traffic noise pollution. Read More…

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Noise Facts for Noise Action Week

Here are some Noise Facts, courtesy of Noise Action Week The word noise derives from the Latin word ‘nausea’ meaning sickness. Vomiting is the world most unpopular sound according to a survey carried out by Trevor Cox of Salford Acoustics, Salford Acoustics Research Centre www.sound101.org 2007

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Noise measurement in the refuse and recycling sector – the shattering reality!

The ability for a local authority to provide an efficient and effective refuse and recycling service is pivotal for both residents and the upkeep of the surrounding environment. However with the increased noise levels that new recycling initiatives generate it is imperative that the welfare of operatives working in this sector is looked after rigorously. David Wilford of No Going Read More…

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Just how loud is a vuvuzela? Part 1

Every since the Vuvuzela made itself heard at the World Cup in South Africa, there has been a wealth of information about how they could be damaging to hearing and how they compare to noises from aircraft taking off and so on. To see just how loud a Vuvuzela can be, we made some measurements with a small 35cm horn. Read More…

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