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 5855-01-175-3990
NSN 2925-00-707-6770
NSN 5990-00-965-0495
NSN 6135-01-176-2206
NSN 6150-01-513-8786
NSN 6240-00-536-1867
NSN 6610-00-680-8325
NSN 5835-01-326-6104
NSN 5835-00-864-4481
NSN 5945-01-522-7276
NSN 7035-01-532-0495
NSN 6105-01-188-2902