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 6320-00-422-9006
NSN 4140-00-862-5644
NSN 6110-01-087-9071
NSN 5915-01-656-6799
NSN 6620-01-454-8926
NSN 5905-01-122-0451
NSN 6145-00-019-0047
NSN 5855-01-588-3771
NSN 6145-00-998-3355
NSN 6645-01-381-6084
NSN 6320-01-371-3047
NSN 6645-01-051-1453