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 6320-00-070-4544
NSN 5925-01-150-8127
NSN 6685-00-809-4297
NSN 5855-01-508-6523
NSN 5999-01-265-5495
NSN 6110-01-156-1377
NSN 5935-01-378-3914
NSN 5930-01-489-1550
NSN 5999-01-426-0064
NSN 2925-00-243-6841
NSN 6220-01-357-7675
NSN 5975-01-370-8790