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 5905-01-219-6713
NSN 6110-01-491-0523
NSN 6320-01-246-4390
NSN 5945-01-626-6267
NSN 6130-01-452-8370
NSN 6150-01-211-6659
NSN 5960-01-062-4667
NSN 5915-01-104-7688
NSN 6150-01-381-1345
NSN 6650-00-202-4540
NSN 5996-01-289-9937
NSN 6130-00-707-5931