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 5965-00-267-4173
NSN 5855-01-649-7398
NSN 5996-01-177-2848
NSN 6645-01-021-5727
NSN 6650-01-015-7111
NSN 5985-01-431-7048
NSN 6130-00-533-9659
NSN 6220-00-054-5094
NSN 6320-01-320-3305
NSN 6650-01-456-6516
NSN 6620-01-430-2212
NSN 5996-00-553-7348