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 6685-00-779-3598
NSN 6320-00-905-0543
NSN 5910-01-486-7023
NSN 5920-01-309-9216
NSN 6610-01-434-4958
NSN 5930-01-347-2425
NSN 6650-01-446-6646
NSN 6220-01-487-3904
NSN 6685-01-353-5888
NSN 5855-00-797-8217
NSN 5960-01-350-5332
NSN 6150-00-171-0340