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 6645-00-235-4685
NSN 6110-01-646-0840
NSN 6145-01-206-5578
NSN 5910-01-196-1173
NSN 6130-01-599-1580
NSN 5945-01-660-7299
NSN 5930-01-130-3447
NSN 5990-01-620-6736
NSN 5920-01-552-4575
NSN 5925-01-494-1050
NSN 4140-00-677-3510
NSN 6105-00-127-2993