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 5915-01-196-4787
NSN 7035-01-118-5861
NSN 5965-01-204-1423
NSN 5915-00-274-2282
NSN 6135-00-377-9165
NSN 5965-01-097-4867
NSN 5975-01-222-2088
NSN 5855-00-631-4565
NSN 5855-01-437-6161
NSN 5930-01-331-9227
NSN 5945-01-310-9310
NSN 5960-01-322-1339