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 5895-00-208-1949
NSN 6150-01-130-7212
NSN 5925-01-605-0956
NSN 5910-01-433-2684
NSN 6610-01-447-2560
NSN 2925-01-098-9549
NSN 6610-01-008-9636
NSN 5905-01-204-1960
NSN 5930-01-008-2469
NSN 6130-00-683-1011
NSN 5915-00-416-9716
NSN 6150-00-173-3964