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 5925-00-059-4991
NSN 5920-00-610-3209
NSN 5920-01-654-5796
NSN 6150-00-408-4740
NSN 6685-01-468-5787
NSN 5960-01-469-7484
NSN 6240-01-538-5525
NSN 5960-00-008-5284
NSN 6620-00-527-6523
NSN 5985-01-083-1812
NSN 5905-00-577-0893
NSN 5999-01-588-6852