Calibration & support for your Cirrus noise measurement instruments.

To help you get the best from your Cirrus noise measurement instruments, we offer a range of calibration, technical support and training options.

Our customers services and support team can help you with any aspect of using your Cirrus noise equipment and below are links these services.

If you need any additional support, you can use our new support website or you can call us on 0845 230 2434 within the UK or +44 1723 891655 from outside the UK.

If you have a question about noise measurement in general, you can always Ask the Noise Doctor!
Calibration of your noise measurement equipment
The best place to have your Cirrus noise measurement equipment calibrated and serviced is at Cirrus.

We know your instrumentation inside out and only Cirrus and our Authorised Service Centers have access to the latest software and firmware upgrades for your equipment.
  • Competitive pricing structure
  • Firmware updates (internal software) installed free of charge when available.
  • Free fitting of updated components if available.
  • UKAS accredited service available
  • Calibration certificate issued for your records and audit trail.
  • Free replacement of consumables ie. microphone grills, battery covers, key pads etc where needed.
15 Year Warranty
To give our customers the best possible support and backup, we’ve introduced our “No Quibble” warranty policy.

Cirrus Research plc offer new products with a two year return to base warranty against all faults. This warranty is extendable, one year at a time, up to a maximum of fifteen years, if the products are calibrated annually with Cirrus Research plc, or a Cirrus Calibration Centre.

In short, if your instrument is calibrated annually, with Cirrus Research plc, then you can enjoy peace of mind for up to 15 years, through our industry leading “No Quibble” warranty policy.
Ask the Noise Doctor






Ask the Noise Doctor is your opportunity to ask questions about noise measurement that are not directly related to your Cirrus equipment.

You may want to know how often you should have your equipment calibrated or if your sound level meter can be damaged by very high noise levels.

If you've got questions, Ask the Noise Doctor. If we don't know the answer, we'll put you in touch with someone who does.

Software Downloads
Many Cirrus noise measurement instruments are supplied with software that allows measurements to be downloaded to a PC.

These software programs are updated regularly and the latest versions can be downloaded, free of charge, from this website.

You can also access the latest versions of the software along with details of operating system compatibility from the support portal.
Product Information
Our product information library contains the most up to date technical specifications for our products along with a wealth of other data, papers, manuals and certifications for our noise measurement products.

If you can't find the information that you need, please visit the support portal and open a ticket to request the data.

Click here to view the information library.
  • Product Datasheets
  • Software Downloads
  • Newsletters & Case Studies
  • ISO Certificates
  • Articles & Application Notes
  • Technical Papers & Technical Notes
  • User Manuals
  • Supplementary Test Data
  • Intrinsic Safety Certificates
  • Cable Information
Instrument Rental & Hire
Cirrus can offer a range of sound level meters, noise dosimeters and outdoor noise measurement kits for rental and hire.

This service is available to customers within the United Kingdom only.

For details of the instruments available for rental and pricing information, click here.

If you have any questions regarding instrument rental, you can call our customer services team on 0845 230 2434.