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 5999-01-086-1018
NSN 5895-01-210-4141
NSN 5998-00-556-0091
NSN 5910-01-351-7926
NSN 6685-00-832-6922
NSN 6220-01-386-9921
NSN 5985-00-553-9735
NSN 5910-00-457-7947
NSN 6105-00-696-8334
NSN 6110-01-439-9615
NSN 5925-01-285-0401
NSN 7035-01-465-9156