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 7035-01-266-3490
NSN 5910-00-494-6113
NSN 5950-01-051-6081
NSN 5915-00-645-7600
NSN 6320-00-036-3688
NSN 6240-01-212-7053
NSN 2925-00-780-4583
NSN 5895-01-167-8298
NSN 6135-01-159-3032
NSN 5985-01-406-2661
NSN 6240-01-616-6813
NSN 5996-00-141-3945