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 6620-01-399-3615
NSN 5960-00-557-6951
NSN 6650-00-390-3568
NSN 6110-00-287-3235
NSN 6620-00-348-4645
NSN 5945-00-943-9922
NSN 6620-00-286-5721
NSN 6645-01-450-7271
NSN 6145-01-429-8438
NSN 5996-01-381-9313
NSN 6220-00-719-7714
NSN 6145-01-080-5106