Self-contained
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 5925-01-100-3631
NSN 5965-01-349-6315
NSN 6105-01-221-9130
NSN 5998-01-446-3549
NSN 6130-01-094-7070
NSN 5855-00-288-1408
NSN 6110-00-297-5768
NSN 6620-00-736-8457
NSN 5895-01-088-7751
NSN 5950-01-176-8252
NSN 6145-01-496-7850
NSN 6320-00-300-5556