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 5965-01-490-6704
NSN 5910-01-261-2226
NSN 5925-01-190-9102
NSN 5996-01-552-5742
NSN 5985-00-970-9100
NSN 6150-01-043-5988
NSN 5935-01-076-4998
NSN 5930-01-570-8718
NSN 5835-01-658-8290
NSN 5895-01-136-0817
NSN 6685-00-018-1842
NSN 4140-01-235-7394