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 5905-01-544-7481
NSN 6240-01-441-0784
NSN 5895-01-097-6340
NSN 5935-00-432-9520
NSN 6110-01-420-3257
NSN 6320-01-452-2394
NSN 5905-01-099-6052
NSN 6320-01-631-7828
NSN 5905-01-347-5066
NSN 5960-01-089-8155
NSN 6240-00-845-9098
NSN 5915-01-047-6368