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 5915-01-129-7667
NSN 5950-01-064-9310
NSN 5835-01-356-8250
NSN 5985-01-487-7530
NSN 5999-00-706-6252
NSN 5925-01-592-5711
NSN 5975-00-299-1202
NSN 6145-00-910-8847
NSN 6220-00-218-0857
NSN 5960-01-323-6432
NSN 6620-01-234-1799
NSN 6145-01-582-1811