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 6610-01-123-2276
NSN 5925-00-603-8077
NSN 6650-01-024-9554
NSN 5910-01-280-4446
NSN 5996-00-226-5364
NSN 7035-00-153-3826
NSN 5965-00-335-0305
NSN 5945-01-167-8498
NSN 6685-01-300-4832
NSN 6620-01-507-3276
NSN 6220-01-010-1452
NSN 6110-01-028-7980