Noise Doesn't Need to Change Lives

But We Need Your Help

Our pioneering research has created the ultimate range of solutions for occupational and environmental noise monitoring, ensuring that with your help, noise never need change lives again.

optimus sound level meters mlogo

The Optimus® instruments are a range of state-of-the-art sound level meters that have been designed to meet the very latest standards for noise measurement instruments.

  • No complicated set-up – switch on, calibrate and start
  • Stress-free measurements – records everything you need
  • Simple and accurate reporting – NoiseTools software included
optimus yellow sound level meter

Optimus Yellow
Simple Noise Level Testing

The ideal instrument for simple noise measurements where only basic data is required at the touch of a button.

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optimus red sound level meter

Optimus Red
Noise at Work Assessments

The perfect solution for measuring Noise at Work without turning it into a time-consuming task. 

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optimus green sound level meter

Optimus Green
Environmental & Noise at Work

The ultimate instrument when you need a sound level meter for environmental and occupational noise assessments.

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Protect you, your colleagues and your business

We know noise and with your help it need never change lives again. Want to learn more about our pioneering range of solutions? Complete the form and one of our noise experts will be in touch. 

More Than Just Solutions

Be Confident When Choosing Cirrus

made in britain

Made in the UK

All of our products are designed, manufactured, supported and calibrated in the UK. You can be confident in the quality and accuracy of the instrument. 

noisetools logo

Licence-Free Software

Analysing your data is just as important as collecting it. That is why we include our NoiseTools software licence-free, so you can install it on as many PCs as required. 

15 year warranty logo

15-Year Warranty

To help protect your investment over its lifetime, we offer an industry-leading 15-Year 'No Quibble' Warranty, including accidential damage for complete peace of mind. 

customer support

Dedicated Support

Our UK Support Team are available to help you every step of the way. As the original manufacturer of the equipment, we are able to provide quick and reliable support.