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 5930-01-305-4090
NSN 5895-00-111-7274
NSN 6650-01-392-4913
NSN 5985-00-189-0953
NSN 6135-01-361-9297
NSN 6150-00-788-6064
NSN 2925-01-269-3861
NSN 5895-01-010-3102
NSN 4140-01-093-1455
NSN 6145-01-305-3898
NSN 5975-01-301-3684
NSN 2925-00-118-4887