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 6130-01-011-4134
NSN 2925-00-066-9700
NSN 5960-00-450-3541
NSN 5960-01-522-0391
NSN 5998-00-156-4574
NSN 6650-00-472-8486
NSN 5998-01-448-5109
NSN 7035-01-554-8361
NSN 5950-01-534-8528
NSN 5930-01-097-7521
NSN 4140-01-562-2207
NSN 5895-01-328-3896