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 6240-01-031-7955
NSN 6105-01-017-5713
NSN 5960-01-414-8918
NSN 6110-00-288-4179
NSN 5930-01-506-8028
NSN 6145-00-372-3713
NSN 6135-01-365-2707
NSN 5945-01-254-0340
NSN 5945-01-542-8744
NSN 5990-00-350-2352
NSN 6620-01-212-8089
NSN 6145-01-631-3590