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 5925-00-822-0261
NSN 6105-00-026-6435
NSN 2925-00-928-5931
NSN 5835-01-150-6084
NSN 5999-00-601-6555
NSN 5920-01-591-3161
NSN 5998-00-520-4124
NSN 5905-01-417-8369
NSN 6620-01-335-2443
NSN 5945-01-423-9086
NSN 5835-01-576-9013
NSN 6320-01-425-1417