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Mark Sennett
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Kelly Rose
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Simplified range of sound level meters
24 June 2024
IN 2009 Cirrus Research introduced its flagship product, the Optimus Sound Level Meter. Over time this instrument has become synonymous with easy and accessible noise monitoring.

In 2018, the company introduced the Optimus+, which added new features to the already-impressive arsenal of functionality held by its predecessor.
Now, in 2024, Cirrus Research simplified its offering to ensure that its clients are getting the best meter for their needs.
Based on customer feedback, its team has:
- Revised the range of categories: It now has the Optimus+ Industrial (for industrial and occupational measurements) and the Optimus+ Environmental (for environmental and outdoor measurements).
- Increased standard memory: The instruments' core memory has gone from 4GB to 8GB across the range.
- Improved features: All devices across the range now include data logging as standard.
Learn more about its new range here.
Get to know the Optimus+ Industrial
Available as a Class 1 or Class 2 instrument, the Optimus+ Industrial makes noise measurements in industrial and occupational settings incredible easy and straightforward, saving you time while capturing all the essential noise level data simultaneously.
The Optimus+ Industrial is available in three models designed for various workplace noise monitoring activities.
Find out more about the Optimus+ Industrial here.
Get to know the Optimus+ Environmental
Available as either a Class 2 or Class 1 sound level meter, built to IEC 61672, the Optimus+ Environmental noise meter provides everything you need to measure both occupational and environmental noise, to the fullest extent. Capturing the full range of sound parameters simultaneously, there’s no other noise measuring instrument you need to measure and monitor exposure to environmental noise.
The top-of-the-range Optimus+ Environmental has been specifically designed as an environmental noise meter and is perfect for measuring and monitoring exposure to noise pollution and environmental noise sources, including construction sites, windfarms and industrial operations.
Find out more about the Optimus+ Environmental here!
Cirrus Research’s improved range of sound level meters, built to the latest standards and various international regulations, provides you with all the functionality you need to be successful in workplace and environmental noise monitoring. The company is confident that its products will meet and exceed your expectations.
- Cirrus Research training expanded to include environmental course
- Sales team strengthened
- North American expansion
- Make calibration one of your priorities this year
- Noise monitoring eBooks
- Out with the old, in with the new
- Lights, camera, action!
- Noise nuisance recorder
- Cirrus Research welcomes new sales manager
- Special offer from Cirrus Research