Cirrus Research appoints two new distributors as part of US expansion plans

Cirrus Research – the leading UK specialist in noise measurement products – is continuing its North American expansion strategy with the appointment of two new distributors for the US, with immediate effect. Don Wolf & Associates has been appointed to cover Southern California whilst MEDI has responsibility for the Northern part of the Sunshine State. […]

Ilmor Engineering’s choice for detail & accuracy – Cirrus doseBadge noise dosimeter & Optimus Red sound level meter

As one of the world’s top racing engine design and manufacturers, noise levels in the workplace have always been an issue for Ilmor Engineering. But when they won a large contract with the US giant General Motors to design and manufacture a new turbo-charged V6 racing engine for the 2012 IndyCar championship, its managers knew […]

Meet the Noise Doctor at NSC 2013

The Cirrus Noise Doctor will be making a house call on Booth 3655 at this years NSC Congress & Expo in Chicago from the 30th September to the 2nd October. The Cirrus Research Noise Doctor offers a range of advice, products and support services, all developed to help the customer get the most from their […]

Prevalence of hearing loss in the United States by industry

This is an interesting article published in July 2012 which is a study to estimate the prevalence of hearing loss amongst workers in US industries titled “Prevalence of hearing loss in the United States by industry” The abstract of the article is as follows: Twenty-two million workers are exposed to hazardous noise in the United […]

Optimus Green
Sound Level Meter

The optimus green sound level meters are ideal instruments for both environmental & occupational noise.

Features simultaneous measurement & data logging of all parameters, tonal noise analysis and real-time 1:1 & 1:3 octave band filters


Optimus Red
Sound Level Meter

For Occupational Noise and Industrial Hygiene, measuring the noise exposure of employees quickly and reliably is essential.

The optimus red sound level meters are the ideal instrument with a clear, high resolution OLED colour screen, a wide 120dB measurement span and simultaneous measurement of all parameters.

Cirrus Research plc