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 6220-01-122-3155
NSN 6145-00-265-6190
NSN 6685-01-443-3284
NSN 5925-01-330-9216
NSN 6610-01-105-0399
NSN 5895-00-828-1846
NSN 6645-00-402-5622
NSN 6135-01-626-6325
NSN 6645-00-629-9367
NSN 5855-00-821-7512
NSN 6645-01-468-3397
NSN 5895-01-306-8515