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 4140-00-346-6485
NSN 5985-00-170-6768
NSN 7035-01-116-6223
NSN 5930-00-236-3514
NSN 5935-00-840-9591
NSN 2925-00-132-1280
NSN 5950-01-184-8428
NSN 5998-00-162-6829
NSN 5895-01-658-2676
NSN 6645-01-491-6965
NSN 5996-01-238-2656
NSN 5855-01-069-4742