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 6320-01-491-0327
NSN 6320-00-284-1524
NSN 5895-01-258-8754
NSN 5855-00-427-7848
NSN 6110-00-840-6560
NSN 6145-01-459-8150
NSN 5985-01-254-6293
NSN 6320-01-089-9086
NSN 6320-01-512-2031
NSN 5905-00-401-0136
NSN 5975-01-157-4305
NSN 5920-01-435-0555