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 5895-00-614-5879
NSN 6150-01-175-8994
NSN 5905-01-331-9123
NSN 5930-01-194-7798
NSN 5965-01-375-1317
NSN 5999-01-368-5511
NSN 5835-00-401-2578
NSN 5950-01-386-5838
NSN 5925-01-084-0058
NSN 6240-01-188-7282
NSN 6220-01-490-3344
NSN 6240-01-292-7566