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 7035-00-997-6212
NSN 6135-01-159-9705
NSN 5985-00-476-3142
NSN 5905-01-336-2983
NSN 5930-00-872-1671
NSN 5950-01-507-2145
NSN 5910-01-449-7468
NSN 6150-00-426-6837
NSN 6685-01-004-0076
NSN 6135-01-348-4056
NSN 6110-01-140-9019
NSN 5985-01-046-7018