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 6620-00-270-3275
NSN 6135-01-414-8831
NSN 5960-01-614-8005
NSN 5996-00-072-6329
NSN 5945-00-553-9886
NSN 6320-01-442-3428
NSN 5975-00-433-5983
NSN 5975-00-068-7925
NSN 5835-01-468-4210
NSN 5945-00-756-0455
NSN 5895-00-571-0128
NSN 5915-00-811-7288