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 5975-01-427-3521
NSN 5915-00-759-2899
NSN 6650-00-964-9470
NSN 5945-01-025-3183
NSN 6240-00-284-0215
NSN 5998-00-301-1305
NSN 6130-00-782-6983
NSN 6685-00-935-6961
NSN 6650-01-477-2124
NSN 5965-01-512-5009
NSN 5960-01-228-4532
NSN 5930-00-877-6954