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 5930-01-029-3419
NSN 5905-01-228-8788
NSN 5960-01-649-1341
NSN 5855-01-006-1827
NSN 5996-01-564-5075
NSN 5965-01-559-8299
NSN 6150-01-203-7482
NSN 5990-00-185-9586
NSN 5965-01-658-3611
NSN 5950-01-458-7608
NSN 4140-01-055-6355
NSN 6240-01-619-9771