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 6130-00-889-4532
NSN 5915-01-384-3858
NSN 6105-01-485-1846
NSN 6645-01-475-8283
NSN 6650-00-983-6722
NSN 6105-01-320-9172
NSN 5985-01-618-5474
NSN 5950-00-812-6220
NSN 5985-01-633-4158
NSN 6620-01-323-7620
NSN 6650-01-502-5157
NSN 6240-01-577-4740