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 6135-01-277-0599
NSN 5905-00-270-4331
NSN 5996-01-250-2814
NSN 5835-01-306-5511
NSN 5915-01-584-2404
NSN 6135-00-477-8847
NSN 5996-01-356-5579
NSN 5835-01-056-4149
NSN 5895-00-096-5187
NSN 6685-00-287-7564
NSN 5910-01-185-1676
NSN 5935-00-204-9909