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 5960-00-602-9906
NSN 5930-01-548-3931
NSN 5925-00-045-5295
NSN 5855-01-398-9548
NSN 6110-01-214-9469
NSN 7035-01-397-1519
NSN 2925-01-419-3805
NSN 6110-00-924-1145
NSN 5996-01-371-6804
NSN 5975-00-119-9182
NSN 5998-01-209-6715
NSN 5855-00-479-9819