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 4140-01-509-6717
NSN 6105-00-675-0525
NSN 6650-01-422-3395
NSN 6105-00-369-1668
NSN 5910-01-633-6937
NSN 6150-00-850-7316
NSN 5990-01-300-7801
NSN 5895-01-215-2079
NSN 6240-01-377-5503
NSN 5920-01-173-1014
NSN 5999-01-117-5556
NSN 2925-01-458-5808