Introducing the all-new CR:308/310 and Optimus+ sound level meters
Two new sound level meters are now available as Cirrus expands its product offering. Learn more about the Optimus+ and CR:308/310 sound level meters 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.
The New Environmental Noise Measurement Kits from Cirrus
Cirrus is pleased to announce the launch of a new range of environmental noise measurement kits to work alongside the Optimus Green Sound Level Meters.
NoiseTools 1.8.2 is now available – Find out what’s new
The latest version of our NoiseTools software is now available to download. This new version of our download and analysis software provides a range of new functions and features to the previous version and includes a number of minor fixes...
NoiseAid – Support for your Noise Nuisance Measurement & Management
NoiseAid is a web-based application that gives you, and your users, a quick and simple way to gather information about the noise sources that they are concerned about. Users can instantly log noise disturbances via any smartphone, tablet, laptop or...
NoiseTools 1.8 is now available – Find out what’s new in the Cirrus NoiseTools software
We’re pleased to announce that the new version of NoiseTools, the Cirrus software that is supplied with our noise measurement instruments, is available for download. This new version is v1.8.0 and can be downloaded, free of charge, from the Cirrus...
Introducing Octave Band Filters for the doseBadge5 Noise Dosimeter
We’re pleased to announce that the Cirrus doseBadge5 Noise Dosimeter now includes 1:1 Octave Band Filters as standard*, adding to the already comprehensive set of measurement data that the unique doseBadge5 can provide. The doseBadge5 is already the best specified...
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.
An Introduction to Using Markers in NoiseTools
The Markers tool within the NoiseTools software is a powerful feature that allows sections of a measurement to be coded, analysed or removed from calculations. This video introduces the concept of markers and shows how to use the basic functions of...
Using the Hearing Defender Selector in NoiseTools
In this NoiseTools tutorial, we'll cover using the Hearing Defender Selection tool to choose some PPE appropriate for a sample noise measurement along with how to add new products to the hearing defender database.