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).

Cirrus Optimus LNE Approval Certificate IEC 61672-1:2014The instruments have been tested and certified by the LNE, the French National Standards Laboratory, and the new approval extends the previous certification whilst adding the CR:161D and CR:171C variants of the Optimus Red and Green ranges respectively.

The Class 1 Optimus Green and Optimus Red sound level meters had previously been Type Approved by the LNE to the previous version of the IEC 61672 standard (IEC 61672-1:2002) and the corresponding NF EN 61672-1:2003 version in June 2013.

The Optimus instruments also carry Type Approval from the PTB in Germany and Applus+ in Spain. A full list of the approvals carried by the Cirrus Research products can be found on this page.

This new approval is to the latest version of the sound level meter standard and continues to demonstrate that the Optimus sound level meters meet the very highest levels of accuracy and precision.

Type Approval of the 1:1 and 1:3 Octave Band Filters

In addition to the certification to the IEC 61672-1:2013 standard which covers the sound level meter itself, the instruments have also been tested and approved to the IEC 61260:1995 standard for 1:1 and 1:3 octave band filters (this also includes the IEC 61260/A1:2002 amendment and is shown as NF EN 61260:1996 & NF EN 61260/A1:2002 on the certificate.

The new certification applies to the following instruments:

InstrumentRangeType Approved to IEC 61672-1:2013/NF EN 61672-1:2014Filters approved to IEC 61260:1995/NF EN 61260:1996
1:1 Octave Bands1:3 Octave Bands
CR:161AOptimus RedYes
CR:161BOptimus RedYes
CR:161COptimus RedYesYes
CR:161DOptimus RedYesYes
CR:1710Optimus GreenYes
CR:171AOptimus GreenYesYes
CR:171BOptimus GreenYesYesYes
CR:171COptimus GreenYesYesYes

The certificate (CERTIFICAT D’EXAMEN DE TYPE) can be downloaded from the LNE website as a PDF document using this link.

Related Posts:

What is Type or Pattern Approval?

PTB Type Approval for the Optimus Sound Level Meters

LNE Type Approval for the CR:515 Class 1 Acoustic Calibrator

Clarke Roberts

Senior Marketing Executive at Cirrus Research plc
Clarke is a Senior Marketing Executive and is responsible for helping people to find Cirrus Research's innovative noise measurement solutions by using all aspects of the marketing mix.

He particularly enjoys writing content about product applications, including noise nuisance, occupational noise and environmental noise pollution.

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