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 5950-01-031-1713
NSN 6650-00-132-3827
NSN 6610-00-723-6233
NSN 5930-00-005-2501
NSN 5999-01-035-5051
NSN 5915-01-459-5459
NSN 5915-00-849-4806
NSN 5920-01-069-6039
NSN 5950-01-090-0895
NSN 6130-00-246-5906
NSN 5950-01-138-0542
NSN 6240-01-124-5309