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 6105-01-418-9336
NSN 6645-01-142-8502
NSN 5965-00-538-1742
NSN 6150-01-499-7606
NSN 7035-00-455-7666
NSN 6320-01-021-6633
NSN
NSN 5910-00-083-5808
NSN 5965-00-368-8204
NSN 5990-01-348-2497
NSN 6130-01-162-9106
NSN 5920-01-160-9260