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 5925-00-452-1270
NSN 5990-01-142-0538
NSN 5998-01-359-1175
NSN 5965-01-430-4654
NSN 5920-01-171-0324
NSN 6685-00-820-2104
NSN 5920-01-444-4082
NSN 5996-00-422-3328
NSN 6685-01-439-3564
NSN 6130-01-247-4412
NSN 5915-00-191-1478
NSN 5975-01-094-6943