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 5965-01-648-0603
NSN 5920-01-188-8445
NSN 5930-01-096-4747
NSN 5930-01-324-5331
NSN 6145-01-384-4218
NSN 7035-01-018-9629
NSN 5920-01-350-3163
NSN 5835-00-725-2087
NSN 5930-01-422-5924
NSN 6220-01-159-0442
NSN 5996-00-733-5690
NSN 5895-01-254-1579