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LNE Type Approval to IEC 61672-1:2013 & IEC 61260:1995 for the Optimus Red & Optimus Green

Cirrus Optimus LNE Approval to the new sound level meter standards

We’re pleased to announce that the Class 1 Optimus Green and Class 1 Optimus Red Sound Level Meters have passed the latest round of Type Approval Tests and have been certified as meeting the latest version of the sound level meter standard, IEC 61672-1:2013 (and the corresponding NF EN 61672-1:2014 publication). The instruments have been tested and certified by the LNE, Read More…

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The NEW doseBadge5 Noise Dosimeter Has Arrived

dosebadge5 noise dosimeter

The new generation of the doseBadge® Noise Dosimeter has arrived. It was launched at the Safety & Health Expo 2016 in London’s ExCel (21st to 23rd June 2016) on Stand Q2050. Here’s a look at how the doseBadge5 will help you monitor occupational noise exposure.

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NoiseTools is Now Compatible with Windows 10

noisetools version for windows 10

A new version of the NoiseTools software, version v1.5.3, is now available for download and is fully compatible with the new Windows 10 operating system. Here’s your guide to downloading the latest version of NoiseTools on local and networked systems.  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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Enter a New World with Cirrus Research

enter the world of vibration monitoring with cirrus research

Cirrus is evolving. We want to make safety at work easily achievable for everyone. That’s why we’re entering into the world of vibration with the launch of the Revo™ Vibration Meter. Join us on our journey. 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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Tonal Noise Analysis with Optimus Green Sound Level Meters

Often the sound energy from a noise source will be spread over a wide band of frequencies. Sometimes a noise source will emit noise that is concentrated in a narrow part of the spectrum or contains a high proportion of energy at a single frequency (a “pure tone”).  This is referred to as tonal noise.

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