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 6320-00-456-2092
NSN 5905-01-397-7213
NSN 5990-01-320-1412
NSN 6650-01-246-4262
NSN 5935-01-384-2295
NSN 7035-01-318-6578
NSN 6220-00-468-0296
NSN 5945-00-535-2298
NSN 5975-01-167-5803
NSN 5925-01-371-8766
NSN 5998-01-429-5113
NSN 6240-01-121-8116