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 6105-01-122-1356
NSN 5855-01-341-7320
NSN 5985-01-408-3274
NSN 5996-01-090-2911
NSN 5985-00-063-9517
NSN 5975-01-364-0000
NSN 5975-01-381-1751
NSN 6320-01-288-4783
NSN 5930-01-054-4710
NSN 5855-01-566-7431
NSN 6130-01-492-5056
NSN 4140-00-274-9638