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 5930-01-066-9459
NSN 6145-01-189-3870
NSN 7035-00-421-8710
NSN 6145-01-139-0139
NSN 5920-01-372-1322
NSN 5835-01-506-0746
NSN 5999-01-534-0686
NSN 6150-01-245-5337
NSN 5930-00-907-3941
NSN 5950-01-023-7692
NSN 5965-01-620-5320
NSN 6110-01-570-6860