We’re incredibly excited to announce that we’re introducing a brand new product to our extensive lineup, which will help businesses and organisations meet the demands and challenges that Coronavirus presents.
Introducing: IR Sentinel
Archive | Product Featured
How to measure noise whilst practising social distancing
If you work in health and safety or noise measurement, you might be wondering just how you’re supposed to collect the data you need whilst ensuring you stay at least two meters away from other people.
Cirrus helps music festival keep the peace with local residents [Case Study]
Acoustic consultant Chris Selkirk recently used an Optimus Green sound level meter and an Invictus portable noise monitoring kit to measure and monitor the noise from a local music festival in Lancaster. Read about the successful outcome here.
A Dosimeter for the Future: a History of the doseBadge
In 1995, a team of young engineers at Cirrus Research set to work on revolutionising the design and functionality of noise dosimeters. Learn more about their work and journey, by reading our brief history of the doseBadge.
[Tutorial] What is AuditStore and How Does it Work?
AuditStore is a technology that is unique to the Cirrus Optimus sound level meters (and variants such as the Trojan Noise Nuisance Recorder) that helps you to verify that the noise measurement data the you present is trustworthy.
LNE Type Approval to IEC 61672-1:2013 & IEC 61260:1995 for the Optimus Red & Optimus Green
We’re pleased to announce that the Class 1 Optimus Green and Class 1 Optimus Red Sound Level Meters have passed the latest round of Type Approval Tests and have been certified as meeting the latest version of the sound level meter standard, IEC 61672-1:2013 (and the corresponding NF EN 61672-1:2014 publication). The instruments have been tested and certified by the LNE, Read More…
The NEW doseBadge5 Noise Dosimeter Has Arrived
The new generation of the doseBadge® Noise Dosimeter has arrived. It was launched at the Safety & Health Expo 2016 in London’s ExCel (21st to 23rd June 2016) on Stand Q2050. Here’s a look at how the doseBadge5 will help you monitor occupational noise exposure.
NoiseTools is Now Compatible with Windows 10
A new version of the NoiseTools software, version v1.5.3, is now available for download and is fully compatible with the new Windows 10 operating system. Here’s your guide to downloading the latest version of NoiseTools on local and networked systems. Expand your Noise Knowledge!Signup to the NoiseNews blog for the latest article updates straight to your inbox. Email Send Message
Enter a New World with Cirrus Research
Cirrus is evolving. We want to make safety at work easily achievable for everyone. Thatâs why weâre entering into the world of vibration with the launch of the Revo⢠Vibration Meter. Join us on our journey. Expand your Noise Knowledge!Signup to the NoiseNews blog for the latest article updates straight to your inbox. Email Send Message
Tonal Noise Analysis with Optimus Green Sound Level Meters
Often the sound energy from a noise source will be spread over a wide band of frequencies. Sometimes a noise source will emit noise that is concentrated in a narrow part of the spectrum or contains a high proportion of energy at a single frequency (a âpure toneâ). This is referred to as tonal noise.
