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 2925-01-453-1606
NSN 6150-01-324-2219
NSN 6105-01-606-7770
NSN 6610-00-617-6056
NSN 5895-01-540-2747
NSN 6145-00-283-7641
NSN 5930-01-526-0496
NSN 5835-01-412-0344
NSN 5925-01-643-3574
NSN 6150-01-539-3981
NSN 6240-01-264-2574
NSN 6130-01-364-1751