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 5895-00-269-3848
NSN 6645-01-055-3384
NSN 5945-01-184-1457
NSN 6685-00-430-9421
NSN 7035-01-167-2241
NSN 6685-01-494-9751
NSN 5975-00-356-1304
NSN 6650-01-374-4923
NSN 4140-01-318-7540
NSN 6620-01-643-6817
NSN 5998-00-237-1937
NSN 5985-01-403-2835