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 5905-00-097-7032
NSN 6320-00-681-1324
NSN 6645-01-350-3138
NSN 5990-00-240-3135
NSN 6130-01-575-1754
NSN 5915-01-210-2709
NSN 5945-00-156-7256
NSN 6150-01-408-4285
NSN 5855-01-047-9267
NSN 6620-00-001-1398
NSN 6610-01-476-7412
NSN 6110-01-423-9193