Easy-to-use noise tool January 1st 2006 The CR:261 Class 1 integrating sound level meter from Cirrus Research is intended for those who need a Class 1 (Type 1) instrument that is easy to use and that can be used for compliance with the new Noise at Work Regulations.
The instrument is a precision noise measurement tool that can be used for a range of applications and measurements. Providing the basic noise level parameters - sound level, Leq, lmax, Lmin and LPeak(C), it can be used for occupational noise measurements and for basic noise level testing.
The basic instrument can be upgraded to add data logging and PC download, at which point it can be used with Deaf Defier 3 software.
the data logging can be added by simply buying a license key and unlocking the instrument from the software.
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