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…
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](https://www.cirrusresearch.co.uk/blog/wp-content/uploads/2016/07/Untitled-1-825x350.jpg)