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 5835-00-080-8213
NSN 5895-00-101-7782
NSN 7035-00-230-4338
NSN 6620-01-006-4899
NSN 5910-01-022-8990
NSN 5835-01-488-6678
NSN 2925-01-144-7106
NSN 6130-00-041-6468
NSN 5998-01-352-6297
NSN 5975-00-453-9662
NSN 5915-00-833-9025
NSN 6150-00-959-9958