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 5925-01-573-3831
NSN 5920-01-474-6192
NSN 5998-00-259-3059
NSN 5895-01-236-0132
NSN 5998-00-271-1555
NSN 6620-00-170-5296
NSN 5895-00-010-5284
NSN 6645-01-411-5657
NSN 5998-00-669-6762
NSN 6135-01-310-9866
NSN 7035-00-055-9778
NSN 6610-01-252-1096