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 5960-00-236-3980
NSN 5950-00-556-8503
NSN 6150-01-498-1469
NSN 6685-01-429-8922
NSN 6620-00-596-1951
NSN 5930-01-190-0367
NSN 6130-01-414-8840
NSN 5855-01-569-4057
NSN 5920-01-472-2966
NSN 5915-00-178-9864
NSN 6650-01-576-8520
NSN 6650-01-314-1789