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.
What are First Octave and Third Octave Band Filters?
Archive | 2011
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…
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…
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…
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 âour money where our mouth isâ by providing this new extended warranty to any acoustic instrument manufactured by Cirrus Research from Read More…
