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 6150-00-690-6562
NSN 5905-01-069-3419
NSN 5950-01-080-5785
NSN 5965-01-129-5499
NSN 6145-01-352-4472
NSN 6320-00-925-0558
NSN 5905-01-583-7949
NSN 6110-01-090-0804
NSN 5910-00-513-5618
NSN 6130-00-677-4085
NSN 5965-01-341-4036
NSN 5965-00-372-2537