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 6110-00-655-2937
NSN 5950-00-529-0599
NSN 7035-00-834-2090
NSN 2925-01-590-8691
NSN 5950-01-599-9878
NSN 5920-01-550-3971
NSN 6650-01-431-3649
NSN 5855-01-254-3041
NSN 5910-01-644-2877
NSN 5935-01-090-0496
NSN 6650-00-629-0237
NSN 5895-01-412-9870