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 5925-00-964-9654
NSN 6220-00-227-8209
NSN 5985-01-265-7024
NSN 6610-00-807-6620
NSN 5935-01-580-8047
NSN 5835-01-116-2369
NSN 6110-01-530-8458
NSN 5985-01-361-1121
NSN 6320-01-556-2011
NSN 6135-01-633-8502
NSN 5998-01-238-0364
NSN 5855-01-379-9978