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 6610-00-489-9730
NSN 5920-01-091-3659
NSN 5975-01-054-9889
NSN 5915-01-419-6825
NSN 5835-00-148-9719
NSN 5915-01-140-3783
NSN 5990-01-581-5103
NSN 5915-00-348-6892
NSN 5905-00-018-1119
NSN 6240-01-481-8846
NSN 5930-01-030-4156
NSN 5920-01-435-9530