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 5975-00-088-5127
NSN 2925-01-359-9818
NSN 6650-00-323-8150
NSN 7035-00-167-7411
NSN 5999-01-650-1850
NSN 5930-01-334-5690
NSN 5925-01-492-7034
NSN 5950-01-468-5431
NSN 5925-00-299-8037
NSN 6105-01-051-5901
NSN 5945-00-875-1637
NSN 6105-01-013-6725