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 5950-00-164-3358
NSN 5985-00-347-9770
NSN 6620-01-184-3193
NSN 7035-00-529-3128
NSN 6645-00-102-0015
NSN 5895-01-241-3022
NSN 6240-00-105-8380
NSN 6645-01-555-4356
NSN 6130-01-324-6468
NSN 5935-01-298-3473
NSN 5910-00-299-7869
NSN 6110-01-073-6117