The latest issue of The Measure, the Cirrus Research newsletter is now available to download. In this issue we’ve covered: A case study from Jersey Opera House featuring the Optimus Red sound level meter Updates to the Trojan Noise Nuisance Recorder Meet the Noise Doctor What’s the noisiest job in the UK? New type approvals for the Optimus sound level Read More…
Archive | Noise Measurement
What’s the UK’s noisiest job?
Airport Ground Staff, Teachers and Racing Drivers amongst the UK’s noisiest jobs New research to identify the noisiest jobs in the UK has revealed that millions of Brits are being exposed to dangerous decibels in the workplace. Sound experts at Echo Barrier, a company which provides noise management solutions across a number of industries, have identified 10 occupations where noise Read More…
Testing fire alarm sounders to BS EN 5839
If you’re measuring the noise level from fire alarm sounders in accordance with BS EN 5839, the sound level meter that you use must meet a specified standard, BS EN 61672-1:2003, and must display the level in dB(A) using Slow Time Weighting. The instrument should meet at least Class 2 of BS EN 61672-1:2003 although a Class 1 instrument would Read More…
Jersey Opera House puts Optimus Red in the spotlight – Case Study
When the audience sits in the beautiful auditorium of Jersey Opera House, they have very little idea of the technology that goes into giving them the ultimate live show experience. Whether they have come to see stand-up comedian Kevin Bridges or a full stage production of New Jersey Nights, the quality and right level of sound are absolutely crucial. Jersey Opera House Technical Manager Read More…
The Noise Doctor is in! Ask your noise measurement questions
What is the Noise Doctor? The Noise Doctor is a range of advice, products and support services put together by Cirrus Research, the experts in noise measurement instruments. At Cirrus, we’re often asked questions such as: “What is the best sound level meter for me to meet the Noise at Work Regulations?”, “Why do I need to get my sound Read More…
Control of Noise at Work Regulations – A summary of what you need to measure
What do the regulations require you to do? The Control of Noise at Work Regulations 2005 require employers to prevent or reduce risks to health and safety from exposure to noise at work. Employees have duties under the Regulations too. The Regulations require you as an employer to: Assess the risks to your employees from noise at work Take action Read More…
A Sound Level Meter with Calibrator
A Sound Level Meter with Calibrator Each time you use your sound level meter, it should be calibrated using an acoustic calibrator. This can help you ensure that your instrument is measuring correctly and that you are complying with the requirements of any standards, regulations or guidelines that you are working to. Most noise standards, regulations and guidelines require that Read More…
Noise Data Averaging – How to Average Noise Measurements
We’ve had a question that has been asked through our Blog form and the question is: “How we can calculate average for a large data (e.g.24 hours data records of per second each) after downloading multiple files from the meter. Simple averaging can be produced will not represent the level of energy of a record. For example, 45, 46, 48, 43, Read More…
Find the best sound level meter for you with our new optimus selector
Our optimus sound level meters cover a wide range of applications and have a varied selection of features which means that there’s an optimus sound level meter that is ideal for every application. But the question is often asked “Which one should I choose?”. To help you find the best instrument for your application or needs, we’ve created a simple Read More…
All the bells – Ringing out the start of the 2012 Olympics
Last Friday, as part of the build up to the opening ceremony of the 2012 Olympics we were at the “All the Bells” event in Beverley’s Wednesday Market. The event was led by the East Riding’s Town Crier Michael Wood, Three Times World Champion Town Crier and Britain’s Loudest Town Crier. At 8.12am, hundreds of residents, many with hand bells, Read More…
