Tag Archives: sound level meter

Sound Level Meter Calibration – UKAS Calibration for your sound level meters & acoustic calibrators

Cirrus is now able to offer a UKAS calibration service for your sound level meter and acoustic calibrator, even if it is not a Cirrus instrument! UKAS Calibration of Sound Level Meters We can now offer this service, not only on our own sound level meters such as the optimus and the CR:800 instruments, but also on products from other Read More…

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Cirrus Research S.L. opens in Barcelona, Spain

Cirrus Research, specialists in the design and manufacture of noise monitoring equipment, is pleased to announce the opening of its new Spanish office. Cirrus Research S.L., based in Barcelona, will provide sales, marketing and support activities for Cirrus Research plc’s noise measurement instruments in the Spanish market. Silvia Anguera, the latest member of staff to join the Cirrus team,  has Read More…

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Windows 7 Drivers for the Sunix RS232 – USB Adaptor

Some older Cirrus sound level meters and doseBadge Reader units that had an RS232 data output were supplied with a converter to allow the instruments to be used with a USB connection. This converter is the Sunix UTS1009B. The drivers supplied with this converter were compatible with Windows XP. If you have upgraded your PC to Windows Vista or Windows Read More…

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What is a Class 1 Sound Level Meter?

A Class 1 Sound Level Meter is a noise measurement instrument that meets the requirements of IEC 61672-1:2002 (or an equivalent such as BS EN 61672-1:2003) to Class 1 performance. Tolerances & Accuracy This standard specifies two levels of performance, Class 1 and Class 2, with Class 1 being effectively more accurate. Within the standard are a set of performance criteria Read More…

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The complete offering from Cirrus Research

For over 40 years specialist noise measurement equipment manufacturer, Cirrus Research, has been designing, manufacturing and providing ongoing support for its high quality noise measurement instruments. Cirrus Research offers its customers a full support package for each of its products, including a newly extended 15 year warranty, continued customer support and free expert advice. Expand your Noise Knowledge!Signup to the Read More…

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What’s the Difference Between a Class 1 and Class 2 Sound Level Meter?

a sound level meter to IEC 61672 standard

We’ve covered the differences between Class and Type in sound level meter standards in a previous post but what the differences between a Class 1 and Class 2 sound level meter? Expand your Noise Knowledge!Signup to the NoiseNews blog for the latest article updates straight to your inbox. Email Send Message

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Cirrus Research is now offering a 15 year warranty on its noise measurement equipment

Cirrus Research is delighted to announce that it is now able to offer a 15 year warranty on its noise measurement equipment including its award winning Optimus Green sound level meter. The reliability and strength of Cirrus Research products is such that the company is providing this new extended warranty to any acoustic instrument manufactured by Cirrus Research from 1st Read More…

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Cirrus Research : Home grown innovation

For over 40 years specialist noise measurement equipment manufacturer, Cirrus Research, has been designing, manufacturing and providing ongoing support for its high quality noise measurement instruments in the UK. Over the past decades, a flurry of companies have opted to lower their costs by relocating manufacturing activity overseas, however, Cirrus Research has resisted this trend and instead opted to remain Read More…

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You need a sound level meter, but what for?

In my 10 years experience as an Export Sales Manager, I am often approached for a Sound level meter with little additional information as to the intended use of the instrument. Sound level meters come in a range of different configurations which lend themselves to different applications. When enquiring to purchase a sound level meter the most important piece of Read More…

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What is the Difference Between Class and Type for Sound Level Meters?

The sound level meters and noise dosemeters that Cirrus manufactures are designed to meet the performance criteria laid down in various standards. For example, the optimus sound level meters are designed to meet the requirements of BS EN 61672-1:2003 which is also known as IEC 61672-1:2002. Within these standards there are many different performance criteria that the instrument must meet Read More…

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