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 5930-01-631-9384
NSN 5950-01-263-6963
NSN 6220-01-518-2433
NSN 5915-00-004-7608
NSN 5905-01-525-8160
NSN 6650-01-353-9299
NSN 5905-00-236-2137
NSN 5920-01-549-4722
NSN 6105-01-084-1445
NSN 5945-01-458-1674
NSN 5960-00-468-2952
NSN 5999-01-381-6548