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 6320-01-335-8336
NSN 5975-01-197-7673
NSN 5990-00-697-8883
NSN 5999-00-515-7354
NSN 6150-00-647-3285
NSN 5910-01-304-9768
NSN 5855-00-004-0904
NSN 5905-01-186-4524
NSN 5999-00-534-7931
NSN 6240-01-376-8931
NSN 6150-01-105-1764
NSN 6150-00-416-9259