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 5895-00-286-3788
NSN 6685-01-634-0611
NSN 5945-01-041-3790
NSN 5910-01-167-7740
NSN 5925-01-177-4636
NSN 5855-01-261-5495
NSN 6145-00-526-3056
NSN 5905-01-141-4741
NSN 4140-01-256-4597
NSN 5930-00-768-7317
NSN 5999-01-542-4237
NSN 5895-00-233-5901