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 5965-01-293-2050
NSN 5935-00-245-3395
NSN 5895-01-088-6772
NSN 6320-00-456-0836
NSN 5950-00-357-3282
NSN 5895-00-458-4913
NSN 5930-01-142-0403
NSN 5835-01-345-3718
NSN 5935-01-368-9492
NSN 5998-00-647-1225
NSN 5895-01-012-2202
NSN 5835-01-384-3206