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 5950-01-479-6595
NSN 5960-01-414-8918
NSN 5985-00-180-1366
NSN 6110-01-233-4490
NSN 5965-00-532-3284
NSN 5910-01-236-4304
NSN 6145-01-371-2101
NSN 6320-01-371-3047
NSN 5920-01-077-1756
NSN 5910-01-225-6805
NSN 5915-00-843-5558
NSN 6150-01-361-9162