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 6240-01-343-8111
NSN 6220-01-004-8909
NSN 5855-01-173-0808
NSN 7035-01-497-2602
NSN 5855-00-337-3679
NSN 5975-01-349-5689
NSN 2925-01-191-9668
NSN 5835-01-312-4446
NSN 5855-01-035-2866
NSN 6135-00-182-7008
NSN 6145-01-018-1752
NSN 5998-01-151-1737