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 5915-00-926-0109
NSN 6145-01-557-9724
NSN 6620-00-148-9613
NSN 5990-01-586-7318
NSN 5910-01-122-5708
NSN 6130-01-521-1795
NSN 6610-01-031-9106
NSN 6145-01-329-0681
NSN 5998-01-566-3235
NSN 5920-00-140-1492
NSN 5915-00-065-7102
NSN 6150-01-032-4556