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 6105-01-449-2375
NSN 6240-01-436-4649
NSN 6150-00-741-6128
NSN 6105-00-852-7240
NSN 6220-01-421-0352
NSN 5999-00-973-0667
NSN 6685-01-472-2413
NSN 6110-01-131-2811
NSN 6220-00-005-1436
NSN 4140-00-753-6888
NSN 6320-00-225-7013
NSN 5920-01-656-8448