Cirrus Research plc

Cirrus - Model CR:306 - Class 2 Sound Level Meter - Brochure

The CR:306 is a general purpose digital sound level meter which meets the full requirements of IEC 61672 to Class 2. The instrument has `F` (Fast) response and both `A` and `C` frequency weightings. In addition facilities are provided to hold the maximum reading occurring during the measurement period.