Specification for the verification of sound level meters - Comprehensive procedure1 Scope This British Standard specifies a procedure for the periodic verification of conformance of a sound level meter or integrating averaging sound level meter to BS EN 60651: 1994 or BS EN 60804: 1994, respectively, including a series of tests and the information to be shown on the calibration certificate. This standard is applicable to sound level meters originally manufactured in accordance with BS EN 60651: 1994 and BS EN 60804: 1994. The tests

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