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 6240-01-391-5373
NSN 5835-00-891-2784
NSN 7035-01-383-6549
NSN 6620-00-337-5610
NSN 6130-01-145-4421
NSN 5895-01-476-7344
NSN 5945-01-148-3520
NSN 6145-01-541-9085
NSN 5930-01-067-2992
NSN 5835-01-414-3258
NSN 6610-00-022-0111
NSN 6645-00-614-5302