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 7035-00-585-2113
NSN 5915-01-532-3151
NSN 6220-01-050-8122
NSN 6130-01-499-0046
NSN 5930-01-305-1719
NSN 6240-01-379-5779
NSN 6220-01-058-3457
NSN 6240-01-411-4598
NSN 5855-01-462-5150
NSN 5930-01-036-9938
NSN 5985-00-277-2423
NSN 6650-01-267-9886