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 7035-00-803-3056
NSN 6130-01-460-3645
NSN 6105-01-264-7549
NSN 6645-01-308-2260
NSN 5895-00-452-0333
NSN 6130-00-540-5305
NSN 5920-01-194-4499
NSN 5950-01-494-6094
NSN 6220-00-173-7200
NSN 6220-00-861-4131
NSN 6620-00-422-5866
NSN 5935-01-634-0668