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 5950-01-190-7869
NSN 5999-00-762-0659
NSN 5996-01-399-6677
NSN 6130-00-155-5873
NSN 6610-01-211-4210
NSN 5895-00-371-6614
NSN 6320-00-857-4073
NSN 5996-01-550-8867
NSN 5998-00-089-4983
NSN 5990-00-754-8135
NSN 5920-00-234-9002
NSN 5990-01-541-5632