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 5985-00-087-7332
NSN 6110-01-033-7557
NSN 6320-01-359-3921
NSN 7035-01-566-0779
NSN 5945-01-411-4989
NSN 6620-01-204-3217
NSN 6130-01-179-5968
NSN 5905-01-157-2758
NSN 5910-01-573-9472
NSN 6645-00-919-2201
NSN 5920-00-594-3124
NSN 5999-00-369-1623