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 6105-01-090-8424
NSN 6240-00-008-5263
NSN 6130-01-510-4587
NSN 5998-01-337-9304
NSN 6610-00-072-4528
NSN 6610-01-207-0045
NSN 6610-00-626-8523
NSN 5985-01-469-9092
NSN 4140-01-501-7623
NSN 5835-01-193-6192
NSN 5960-00-505-1577
NSN 4140-01-300-9474