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 6105-01-415-2339
NSN 2925-00-056-7112
NSN 5930-01-329-2760
NSN 6685-01-487-5111
NSN 6130-01-565-8592
NSN 5855-01-464-5084
NSN 5945-00-203-5925
NSN 4140-01-123-8312
NSN 5950-01-575-3794
NSN 5930-01-321-1966
NSN 5910-01-221-8974
NSN 6650-01-531-2439