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 6135-00-862-5736
NSN 5895-01-360-4868
NSN 5855-00-156-5489
NSN 5935-01-345-5665
NSN 6685-01-434-0712
NSN 6145-01-232-2658
NSN 5998-01-235-1064
NSN 5835-01-281-7281
NSN 6130-01-064-0945
NSN 5855-01-147-6024
NSN 6130-01-121-0962
NSN 6220-00-914-7035