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 6320-01-215-2284
NSN 6145-01-395-7850
NSN 5945-01-262-9640
NSN 7035-01-499-0680
NSN 5975-01-631-4917
NSN 5835-01-381-1824
NSN 6650-00-451-1088
NSN 5975-00-012-0095
NSN 6645-01-356-3105
NSN 5920-00-925-2639
NSN 5920-01-123-9854
NSN 6650-01-274-6621