Critical application
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 6650-01-429-4796
NSN 5960-01-020-6316
NSN 5950-00-733-0510
NSN 5996-01-495-7451
NSN 5985-01-536-9017
NSN 7035-01-300-8409
NSN 6130-01-243-3326
NSN 5950-01-227-3853
NSN 6105-01-542-1174
NSN 6135-00-246-0324
NSN 6685-00-941-9333
NSN 5855-00-586-6255