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 5925-01-430-5306
NSN 5996-01-553-7399
NSN 2925-01-589-4880
NSN 5950-01-380-0420
NSN 6110-01-480-6316
NSN 6645-01-379-2769
NSN 2925-01-620-9673
NSN 5930-01-418-0207
NSN 5935-01-230-0471
NSN 4140-00-517-7902
NSN 5975-01-474-2434
NSN 5910-00-079-0375