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 5905-01-160-7546
NSN 6610-00-281-9516
NSN 5920-01-524-8776
NSN 7035-00-408-8170
NSN 5965-01-388-1379
NSN 5950-01-319-8428
NSN 5990-01-503-0194
NSN 5996-00-925-1953
NSN 5930-00-060-5073
NSN 5895-00-759-9892
NSN 5855-00-337-3679
NSN 5920-01-383-7108