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 7035-01-265-0216
NSN 5910-00-081-1795
NSN 5996-01-174-7526
NSN 5910-01-487-6524
NSN 5915-01-443-8662
NSN 6685-01-257-5718
NSN 5950-00-830-4475
NSN 5960-00-959-5226
NSN 7035-00-295-0451
NSN 5965-00-698-0433
NSN 4140-01-487-7179
NSN 5855-00-688-9954