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 5855-01-626-4169
NSN 6130-01-282-1125
NSN 5960-01-515-4791
NSN 5950-01-091-1783
NSN 5965-01-273-3055
NSN 5945-01-153-9046
NSN 5960-01-343-5912
NSN 5985-01-327-7898
NSN 6220-00-142-5115
NSN 5835-01-399-5820
NSN 5965-01-051-0126
NSN 6610-01-395-1975