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 6130-01-238-3656
NSN 5855-01-085-5354
NSN 4140-01-386-8914
NSN 5895-01-323-3686
NSN 6320-01-631-7828
NSN 5835-00-083-3014
NSN 5925-01-047-2281
NSN 5925-01-423-7803
NSN 6135-00-240-3200
NSN 5895-01-355-6674
NSN 6610-01-365-4283
NSN 6610-00-504-2839