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 6150-00-789-7737
NSN 6135-01-125-4867
NSN 6110-00-763-7152
NSN 5999-00-004-0088
NSN 6145-00-951-6779
NSN 7035-01-243-2730
NSN 5996-01-285-8797
NSN 5999-00-348-4427
NSN 5915-00-195-8761
NSN 5996-01-400-0917
NSN 5990-01-503-9804
NSN 5999-01-271-4902