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 5950-00-500-7725
NSN 6685-01-543-1457
NSN 5905-00-224-5093
NSN 6320-00-731-6134
NSN 2925-01-446-6523
NSN 5915-00-193-6850
NSN 5996-01-229-2288
NSN 5925-00-431-3256
NSN 6150-01-022-8600
NSN 6610-00-520-6193
NSN 5985-01-462-4435
NSN 5920-00-054-7048