An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6240-01-173-6359
NSN 6135-00-935-2589
NSN 6220-00-494-1600
NSN 5965-01-449-1101
NSN 6240-01-031-7955
NSN 6610-01-580-3272
NSN 6130-01-577-7910
NSN 6220-01-246-7534
NSN 7035-00-543-3272
NSN 6240-01-217-0432
NSN 2925-01-602-8709
NSN 5920-01-170-2780