We have a new job vacancy at Cirrus, an IT Supervisor. Reporting to the Managing Director, this role requires taking full operational responsibility for the company’s IT infrastructure and to provide IT support and development across our group of companies. The ideal candidate should be self-motivated and should be comfortable presenting to small groups of internal staff, be personable, self-organised Read More…
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Noise levels from fireworks – a very unscientific measurement!
This year, Bonfire Night (5th November for anyone who doesn’t know) fell on a Saturday this year and despite the forecast of rain, myself and my colleagues Gill Cussons, Justin Barker and Nigel Palmer braved the weather with the aim of measuring the noise levels at our local fireworks displays. We didn’t set out any rules as to where these Read More…
Noise Induced Hearing Loss – An Introduction
There are over an estimated 9 million hard of hearing individuals in the UK (source: Action On Hearing Loss (RNID), 2005 survey). The overwhelming reasons for hearing loss are listed as being age-related and noise-related, very much in-line with other Western world countries. The big difference is that while age-related hearing loss is a natural process that we can do Read More…
What are First Octave and Third Octave Band Filters?
When more detailed information about a complex sound is needed, the frequency range of 20Hz to 20kHz can be split into sections or bands. This is done electronically within a sound level meter.
Download our new eBook – Top 10 Blog Posts on Noise Measurement
Our new eBook “Q&A – The top 10 posts on our blog” is now available for download. Throughout 2011 we’ve been posting information and answers to questions from our customers, distributors and sales team on our blog at cirrusresearch.co.uk/blog. This book contains the top 10 posts that you, our customers, have been reading and commenting on. Some of the posts have Read More…
What is a Class 1 Sound Level Meter?
A Class 1 Sound Level Meter is a noise measurement instrument that meets the requirements of IEC 61672-1:2002 (or an equivalent such as BS EN 61672-1:2003) to Class 1 performance. Tolerances & Accuracy This standard specifies two levels of performance, Class 1 and Class 2, with Class 1 being effectively more accurate. Within the standard are a set of performance criteria Read More…
The complete offering from Cirrus Research
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. Cirrus Research offers its customers a full support package for each of its products, including a newly extended 15 year warranty, continued customer support and free expert advice. Expand your Noise Knowledge!Signup to the Read More…
What’s the Difference Between a Class 1 and Class 2 Sound Level Meter?
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? Expand your Noise Knowledge!Signup to the NoiseNews blog for the latest article updates straight to your inbox. Email Send Message
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…
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…
