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 6685-01-167-7364
NSN 6645-00-052-7288
NSN 6220-01-131-8074
NSN 6240-00-959-6506
NSN 6645-01-282-9974
NSN 6685-01-391-6010
NSN 5990-01-189-9338
NSN 5950-01-165-1681
NSN 5960-01-474-4843
NSN 5835-01-471-5848
NSN 6645-01-023-8020
NSN 5985-01-619-9271