Cirrus Sound Level Meter Kits EGM Ltd  recommends that a Sound Level Meter is used as part of a complete Measurement Kit. The measurement kits contain all of the accessories needed to use the instrument correctly. Most importantly of all the measurement kit contains an Acoustic Calibrator. Every noise measurement standard, regulation and guideline require the a Sound Level Meter is calibrated before it is used to ensure that the instrument is measuring correctly. In addition to the Acoustic Calibrator, a Sound Level Meter Measurement Kit contains the items shown below: Basic Sound Level Meters   CR:260 Series Sound Level Meters Sound Level Meter, Acoustic Calibrator, Windshield, Carrying Case, Software CD*,  USB Data Cable CR:800C  Series Sound Level Meters Sound Level Meter, Acoustic Calibrator, Windshield, Carrying Case, Software CD,  USB Data Cable All measurement kits are supplied with User Manuals, Certificates of Calibration, Batteries and a Pen. Please note that the CR:260 Series are supplied with a Software CD and data cables. To use the software and data cables, * the instrument must be upgraded to the +Version. Please see the CR:260 Series Information for further details.   Home