doseBadge at the National Railway Museum

Building up a Head of Steam in York

The doseBadge Noise Dosimeter enters the home of UK's national rail collection, the National Railway Museum.

See how we're helping Health & Safety Advisors comply with the Noise at Work Regulations by downloading our free case study today!


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The Noise Academy

Become a Noise Expert with Cirrus

The Noise Academy offers everything you need to get started in the world of noise measurement.

Join on us one of our UK training courses, download our free eBooks, watch our videos and browse our FAQs for top tips. It's all ready and waiting to help you become a Noise Expert.

Enlist at The Noise Academy
Trade in Offer

New Year's Resolution: Save up to 30%

Start your 2015 off the right way with Cirrus Research

Trade-in any existing noise measurement instrument and receive a discount of up to 30%.

How Much Can You Save?
The Optimus Red Sound Level Meters

Making a noise measurement with
the Optimus Red Sound Level Meter

Watch our new video and see how quick and simple it can be to make a noise measurement with the Optimus Red Sound Level Meters.

View the video

Sound Level Meters & Noise Measurement Instruments

Cirrus Research plc is a world leading manufacturer and supplier of sound level meters, noise meters, noise dosimeters, environmental noise monitoring systems and acoustic transducers.

Our products are used across a wide and diverse range of applications including Occupational Noise, Industrial Hygiene, Environmental Noise Measurement, Vehicle Noise Testing and Airport Noise Monitoring.

With 40 years experience of innovation and customer support, backed by our ISO 9001:2008 and ISO 14001:2004 Quality Management Systems, Cirrus is dedicated to noise measurement.

Featured Products & Services

Optimus Red Sound Level Meters

Optimus Sound Level Meters

A range of high performance Class 1 and Class 2 sound level meters using the very latest technology to help make your noise measurement simple. Available with audio recording, voice note recording and up to 32GB of memory.

doseBadge Noise Dosimeter

doseBadge Noise Dosimeters

Lightweight, robust and easy to use, the doseBadge is the ideal tool for noise dosimetery measurements. Available with Intrinsic Safety Certification to ATEX, IECEx, FM (C&US) and EEx.

Trojan2 Noise Nuisance Recorder

Trojan2 Noise Nuisance Recorder

The Trojan2 is our purpose designed noise nuisance recorder. Using feedback from our customers, the Trojan2 gives you all of the information needed to make effective noise nuisance measurements and recordings.

Optimus Product Selector

Find your ideal Optimus Sound Level Meter

Use our product selector to find the best Optimus Sound Level Meter for your application. Choose features, functions or applications and see our recommended Optimus instruments that meet your needs.

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