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 2925-00-542-8285
NSN 5965-01-420-6613
NSN 7035-01-506-8898
NSN 5998-01-435-5462
NSN 5996-01-210-0280
NSN 6610-01-355-8112
NSN 6650-01-220-3314
NSN 6150-01-422-0421
NSN 6105-01-525-8112
NSN 5945-01-473-1821
NSN 5998-00-607-9921
NSN 6135-00-027-3914