An instrument which measures the ratio of electrical power with reference to a predetermined value and is calibrated in units of sound intensity, usually decibels. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. if other than audio frequency ranges, see meter, noise level.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6150-00-269-0477
NSN 6650-01-360-3848
NSN 5999-01-351-5601
NSN 5998-00-285-6367
NSN 6610-01-194-1778
NSN 5965-01-254-3622
NSN 5930-01-497-9608
NSN 6105-01-446-7245
NSN 5960-01-256-4719
NSN 5999-01-561-2910
NSN 5996-00-560-7867
NSN 6105-01-575-9379