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 6650-00-318-6033
NSN 5935-01-087-6495
NSN 2925-01-254-3068
NSN 5945-01-054-3722
NSN 5950-00-831-4115
NSN 6620-00-796-5666
NSN 5935-01-211-1597
NSN 5895-01-336-1885
NSN 5985-01-108-9236
NSN 5915-00-828-6644
NSN 4140-00-378-3399
NSN 5835-01-123-8305