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 5975-01-633-8815
NSN 4140-01-306-3663
NSN 5920-01-439-3676
NSN 5920-01-480-5753
NSN 6620-00-248-6950
NSN 5935-01-656-6203
NSN 6320-01-098-2503
NSN 6105-00-076-4028
NSN 6130-01-437-9030
NSN 5990-01-378-7349
NSN 7035-01-280-4692
NSN 5835-01-435-4139