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 7035-00-897-7567
NSN 6135-01-568-9107
NSN 6105-01-575-6261
NSN 5985-00-303-8092
NSN 5985-01-441-2285
NSN 5999-01-200-8318
NSN 6105-01-104-0846
NSN 5920-01-324-3743
NSN 6110-01-363-5126
NSN 5960-00-772-2994
NSN 6650-01-236-5916
NSN 6220-01-474-0352