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 6150-01-265-1142
NSN 6645-00-300-6459
NSN 6320-00-164-4087
NSN 5965-00-067-7393
NSN 5998-01-427-8462
NSN 6110-00-787-6070
NSN 5975-01-049-2200
NSN 5905-01-157-9611
NSN 6650-01-462-5879
NSN 6220-01-053-7829
NSN 5999-00-466-3226
NSN 5915-01-593-5146