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 5950-00-310-1480
NSN 5965-01-649-1279
NSN 5905-01-112-0271
NSN 5975-00-239-9652
NSN 6240-00-897-1209
NSN 7035-00-361-5975
NSN 6110-00-840-6560
NSN 7035-01-413-3975
NSN 5855-01-473-6076
NSN 5950-01-242-3277
NSN 6685-01-150-9474
NSN 6685-01-422-9670