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 5975-00-271-5981
NSN 5835-01-362-8367
NSN 5950-01-362-9307
NSN 7035-00-413-0992
NSN 5950-01-510-4591
NSN 6650-01-336-8197
NSN 5895-01-611-2785
NSN 6145-00-557-0985
NSN 7035-01-434-6134
NSN 5920-01-387-6998
NSN 6150-00-186-6821
NSN 6650-01-337-4365