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 5945-01-192-1460
NSN 6240-00-959-6735
NSN 6220-01-401-5337
NSN 5999-00-176-7864
NSN 6220-01-261-6521
NSN 6150-00-928-3681
NSN 5915-01-398-9831
NSN 5985-01-510-8495
NSN 5998-01-517-5760
NSN 6320-01-583-6809
NSN 5915-01-463-0465
NSN 5935-00-073-1970