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 5835-01-604-7489
NSN 6320-01-056-1164
NSN 5855-01-203-4719
NSN 5945-00-648-0552
NSN 5965-01-513-1296
NSN 5895-01-367-5542
NSN 5990-00-339-2084
NSN 5930-00-216-7511
NSN 4140-00-068-8136
NSN 5915-00-597-2369
NSN 5835-01-013-3420
NSN 6130-00-952-1803