Cirrus Research now holds accreditation for UKAS calibration. Read more about what this means in our newest article.
Cirrus Research is now a UKAS-accredited calibration laboratory
Archive | FAQs
Questions & Answers
Exclusive calibration offer now available!
Cirrus is now offering an exclusive limited-time offer on all UK calibration orders. Read our article to find out more.
How do anti-child alarms work?
Noise has been in the news again recently with the use of anti-child alarms. Learn how they work and the difference between presbycusis and noise-induced hearing loss.
What’s the difference between a sound level meter and a noise dosimeter?
I’m relatively new to the world of acoustic measuring and noise measuring equipment, and one of the very first questions I found myself asking was “what’s the difference between a sound level meter and a noise dosimeter?” Thankfully, the distinction is relatively simple and a complete novice like me can get to grips with it. So if you’re looking to Read More…
[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.
[Tutorial] An Introduction to Using Markers in NoiseTools – Video
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 the marker system.
[Tutorial] Using the Hearing Defender Selector in NoiseTools – Video
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.
[How to] Why Do You Need to Calibrate Your Noise Measurement Equipment?
If you are using your noise measurement instruments to meet any Standards, Regulations or Guidelines, it is essential that your equipment is measuring accurately. Most modern standards, regulations of guidelines will clearly state the standards to which the equipment must comply.
The dBLink App is now available for iOS & Android
The dBLink App for the New doseBadge5 noise dosimeter is now available for iOS devices as well as for Android. The dBLink App supports the doseBadge⁵ Noise Dosimeters and allows measurements to be controlled and configured wirelessly. Measurement data can be viewed live (mid-shift readings) and all stored measurements can be displayed. dBLink App Features Include: Control multiple doseBadge⁵ noise dosimeters Read More…
What is an Anechoic Chamber and How Quiet Can It Be?
One of the things that we often talk about when we’re running our CPTC (Cirrus Product Training Courses) is how our hearing works and we often end up talking about how, if there’s no ambient sound, we can feel uncomfortable and can become disoriented very quickly. One of the best (or maybe the worst) places to experience this is in an Read More…
