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 5835-01-414-3258
NSN 5975-00-852-7170
NSN 5990-01-229-0222
NSN 6150-01-351-6898
NSN 5950-01-141-0533
NSN 5835-01-036-4951
NSN 5990-01-199-4832
NSN 5905-00-795-8357
NSN 5920-00-925-2639
NSN 6150-01-465-5917
NSN 5965-01-453-7504
NSN 6110-00-858-1948