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 6320-01-116-3980
NSN 6685-00-558-0856
NSN 6145-01-287-7688
NSN 5915-00-021-7106
NSN 5975-01-265-4082
NSN 6620-01-219-0923
NSN 5999-01-063-7408
NSN 6685-01-553-4286
NSN 6685-00-475-7271
NSN 5990-01-432-4984
NSN 5855-01-466-1588
NSN 2925-01-133-8128