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 6105-01-290-4738
NSN 6110-01-617-9059
NSN 5965-00-548-6551
NSN 6620-01-396-2149
NSN 6650-01-195-2896
NSN 6150-01-172-9019
NSN 5835-01-062-2235
NSN 5990-01-565-2226
NSN 6650-00-857-2260
NSN 5965-00-324-2428
NSN 6650-01-555-8819
NSN 5905-01-379-5716