Type Approval

Motorbike Noise Measurement










Type Approval

The CR:261S is the first Cirrus Research plc Sound Level Meter to carry full PTB Type Approval to the latest IEC 61672 Standard for Sound Level Meters.

The approval is to DIN EN 61672-1:2002-10 and DIN EN 61672-2:2003-08 and the PTB reference number is PTB-1.72-4025043.

DIN EN 61672 is the same as IEC 61672 and is the latest standard for sound level meters.

The Physikalisch-Technische Bundesanstalt (PTB) is the German National metrology institute providing scientific and technical services and is one of the world´s leading test and verification establishments.

The PTB Approval Certificate can be viewed here.


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