What’s the Difference Between a Class 1 and Class 2 Sound Level Meter?

a sound level meter to IEC 61672 standard

We’ve covered the differences between Class and Type in sound level meter standards in a previous post but what the differences between a Class 1 and Class 2 sound level meter? Download your Free Noise Measurement Terminology Guide to expand your noise knowledge and make measuring noise simpler. Expand your Noise Knowledge!Signup to the NoiseNews blog for the latest article updates straight Read More…

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Cirrus Research is now offering a 15 year warranty on its noise measurement equipment

Cirrus Research is delighted to announce that it is now able to offer a 15 year warranty on its noise measurement equipment including its award winning Optimus Green sound level meter. The reliability and strength of Cirrus Research products is such that the company is providing this new extended warranty to any acoustic instrument manufactured by Cirrus Research from 1st Read More…

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Cirrus Research : Home grown innovation

For over 40 years specialist noise measurement equipment manufacturer, Cirrus Research, has been designing, manufacturing and providing ongoing support for its high quality noise measurement instruments in the UK. Over the past decades, a flurry of companies have opted to lower their costs by relocating manufacturing activity overseas, however, Cirrus Research has resisted this trend and instead opted to remain Read More…

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You need a sound level meter, but what for?

In my 10 years experience as an Export Sales Manager, I am often approached for a Sound level meter with little additional information as to the intended use of the instrument. Sound level meters come in a range of different configurations which lend themselves to different applications. When enquiring to purchase a sound level meter the most important piece of Read More…

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What is the Difference Between Class and Type for Sound Level Meters?

The sound level meters and noise dosemeters that Cirrus manufactures are designed to meet the performance criteria laid down in various standards. For example, the optimus sound level meters are designed to meet the requirements of BS EN 61672-1:2003 which is also known as IEC 61672-1:2002. Within these standards there are many different performance criteria that the instrument must meet Read More…

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15 Year Warranty for Cirrus noise measurement instruments

Cirrus Research is delighted to announce that it is now able to offer a 15 year warranty on its noise measurement equipment. Such is our confidence in the reliability and strength of our products we are happy to put ‘our money where our mouth is’ by providing this new extended warranty to any acoustic instrument manufactured by Cirrus Research from Read More…

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Why do instrument standards have different dates?

I’ve been asked recently to confirm if a sound level meter is marked as meeting IEC 61672-1:2002, does it also meet BS EN 61672-1:2003? Instruments such as sound level meters are designed to meet certain standards and these are published by a range of International, Regional and National standards organisations. In the case of sound level meters, the standards that Read More…

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Why don’t Noise Dosemeters have a Class or Type designation?

All of the noise measurement instruments that you use should comply with one or more standards which specify the accuracy that the unit should have. There are many different standards for noise measurement instruments such as sound level meters, noise dosemeters and acoustic calibrators and these will each have their own specific requirements, tolerances and performance criteria. Download your Free Read More…

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Hear the world in different colours at the A+A Trade Fair

Visit Cirrus Research on stand B14, Hall 6 Cirrus Research, specialists in the creation and production of noise measurement equipment, will be exhibiting at this year’s A+A Trade Fair, 18-21 November,Dusseldorf,Germany. On its stand, Cirrus Research will be holding a free prize draw to win either an iPad2 or an Optimus Red sound level meter – the ideal instrument for Read More…

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Nuestro sitio web para el mercado latinoamericano ha sido actualizado!

Lo hemos actualizado con información sobre la nueva generación de sonómetros ‘optimus red’ y ‘optimus green’, y también se incluyen detalles sobre los nuevos kits para jefes de seguridad et los para mediciones de ruido en exteriores. Encuentra más información sobre nuestros productos y servicios aquí – www.ruidoambientalyocupacional.com Expand your Noise Knowledge!Signup to the NoiseNews blog for the latest article Read More…

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