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 5999-01-364-4747
NSN 5920-00-829-3634
NSN 5930-01-343-2975
NSN 5985-00-056-3855
NSN 5905-01-150-5740
NSN 5950-00-030-0288
NSN 5990-00-226-1152
NSN 5990-00-125-5036
NSN 5895-01-600-3230
NSN 5930-01-496-7693
NSN 6110-00-347-7290
NSN 5985-01-353-8141