Cirrus Research plc
Established in 1970, Cirrus Research is one of the world’s leading names in scientific noise measurement equipment. Noise changes lives, and our priority is to make monitoring, measuring, and controlling excessive noise levels as straightforward as possible, whilst ensuring that the most effective decisions are taken to protect people and the environment from the risks noise presents. Therefore, we provide noise measurement solutions that offer a superior level of accuracy and reliability, whilst being incredibly easy to use. All Cirrus Research instruments are provided with an worry-free 15-year warranty and are supported by in-house technical support, ensuring that investment are protected and users get the most out of their equipment.

Campbell Associates
Campbell Associates have been supplying quality noise monitoring instrumentation and support, to local authorities and acoustic consultants all over the UK, for 24 years. Quality products, expert technical support and first-class customer service have been our mission from the start and remain the core of how we operate today.
- Straight forward and easy-to-use noise nuisance recording systems
- Built in rechargeable battery
- Colour touch screen display
- Simple ‘App’ – Tap the app and Go! No settings!
- Playback audio recordings on the meter with your headphones or speaker
Sales and support
Hire from our huge fleet
4 purpose-built calibration laboratories (UKAS accredited)
Product training
Lead distributor for Norsonic, Cadna, Aeroqual, Sonitus and AVA in the UK offering a wide range of products and services for noise, vibration and air measurement.
http://www.campbell-associates.co.uk/

ANV Measurement Systems is the sole distributor for Rion Sound and Vibration in the UK. Rion instruments hold a worldwide reputation for their ease of use and reliability. Beyond just a distributor, ANV serves as a system integrator, with Rion's latest sound level meter (the NL-53) forming the core of ANV's own NNR-04 noise nuisance recorder.
In addition to selling and hiring out Rion instruments, ANV offers UKAS-accredited calibration services for all major manufacturers' sound level meters and calibrators.
We take pride in providing cost-effective, accurate, easy-to-use, and reliable sound and vibration instrumentation, whilst maintaining a strong focus on customer support.