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 6130-01-375-4704
NSN 6110-01-521-4227
NSN 5905-00-543-0459
NSN 6130-01-338-5962
NSN 4140-00-679-9512
NSN 6150-01-172-0078
NSN 5855-01-248-4302
NSN 6150-00-409-2378
NSN 6645-00-805-0066
NSN 5975-00-753-7669
NSN 5990-01-052-1987
NSN 7035-00-849-5526