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 5960-01-423-2511
NSN 6105-00-973-7247
NSN 6150-01-464-0867
NSN 5996-01-084-6930
NSN 6130-01-485-2464
NSN 5835-00-572-7445
NSN 6135-01-113-1507
NSN 5950-01-066-2518
NSN 6220-01-401-5337
NSN 7035-01-525-7673
NSN 6620-00-075-6667
NSN 5990-00-665-4105