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 6130-00-983-7866
NSN 5999-01-506-1966
NSN 6105-01-302-6160
NSN 5945-01-344-8943
NSN 6240-00-669-6652
NSN 5935-01-130-0632
NSN 6240-01-046-9424
NSN 6135-01-280-2883
NSN 5910-01-302-1993
NSN 5905-00-270-2946
NSN 6145-01-463-8229
NSN 6320-00-823-2015