An instrument specifically designed to measure the amplitude and frequency of the constituents of a complex electrical wave form. May include transducer mechanism for converting sound pressure into electrical energy.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6130-00-348-1410
NSN 5915-01-369-8999
NSN 5925-01-302-4266
NSN 6145-01-215-0178
NSN 6105-00-527-2193
NSN 5990-01-526-9941
NSN 5925-01-394-3725
NSN 5925-01-111-9456
NSN 4140-00-684-7314
NSN 5925-01-642-5204
NSN 6150-00-115-6649
NSN 5945-01-094-3075