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 5945-01-209-5319
NSN 5895-01-360-8382
NSN 5835-01-247-2634
NSN 6220-01-533-7727
NSN 6645-00-274-5670
NSN 5905-01-078-5352
NSN 4140-01-277-2548
NSN 5965-01-202-1007
NSN 6645-01-567-8282
NSN 5855-01-037-7342
NSN 6240-01-203-0392
NSN 6220-00-838-6090