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 5999-01-560-6310
NSN 5920-01-210-7648
NSN 5930-00-249-4606
NSN 7035-00-215-3272
NSN 5910-00-295-6194
NSN 5835-01-009-1059
NSN 6645-00-819-5045
NSN 5945-01-007-5162
NSN 5998-00-456-0864
NSN 6650-00-379-5434
NSN 5960-00-647-9159
NSN 5998-01-465-6317