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 5960-01-098-7559
NSN 7035-01-064-8212
NSN 6105-01-439-0784
NSN 6110-00-322-0854
NSN 5975-01-486-5320
NSN 5935-00-069-5926
NSN 5960-00-238-3830
NSN 6240-01-080-4826
NSN 7035-01-338-9971
NSN 5910-01-497-1174
NSN 5910-01-578-6247
NSN 5925-01-499-9163