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 6110-01-221-3914
NSN 6110-01-233-7911
NSN 5999-01-101-7170
NSN 4140-01-204-2907
NSN 6105-01-043-6768
NSN 5920-01-028-3288
NSN 7035-01-426-4133
NSN 5910-00-404-2368
NSN 5975-01-004-7966
NSN 5945-01-501-5487
NSN 5998-01-290-3733
NSN 5920-01-606-2904