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 6135-01-462-6040
NSN 5960-00-389-2915
NSN 6130-01-547-6828
NSN 5855-00-631-4565
NSN 5945-01-025-5956
NSN 5915-01-417-3123
NSN 6685-00-778-7500
NSN 5990-00-170-4239
NSN 5950-01-440-9972
NSN 5990-01-351-4621
NSN 6645-01-467-9983
NSN 5925-01-525-7060