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 5975-01-453-5808
NSN 5920-00-180-0223
NSN 5835-01-097-5693
NSN 5975-01-498-2089
NSN 5920-00-928-1511
NSN 5975-01-124-5555
NSN 6620-00-273-8735
NSN 6135-00-998-5884
NSN 6145-00-896-1893
NSN 6320-01-181-9474
NSN 5855-01-068-3683
NSN 5965-01-215-0993