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 5996-00-185-7704
NSN 6150-00-385-9150
NSN 6130-01-223-5716
NSN 6150-01-634-0575
NSN 6610-00-885-2399
NSN 5965-01-346-4929
NSN 6105-01-362-3033
NSN 5835-00-659-5204
NSN 6220-00-361-8338
NSN 5925-01-411-5222
NSN 5905-01-379-2306
NSN 7035-01-653-8015