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 5925-01-459-6152
NSN 6130-01-062-4664
NSN 5935-00-543-8777
NSN 5915-01-625-8642
NSN 5950-00-737-5768
NSN 5855-01-111-3962
NSN 5945-00-723-8267
NSN 5905-01-418-1017
NSN 6145-00-683-5353
NSN 6130-00-441-3417
NSN 6150-00-269-8447
NSN 6110-00-105-0428