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 5835-01-470-7700
NSN 6645-01-315-9238
NSN 5960-01-506-7039
NSN 6240-01-421-3626
NSN 6650-00-486-7924
NSN 7035-00-919-3381
NSN 6110-01-633-6129
NSN 6105-00-171-6521
NSN 6130-00-463-7161
NSN 5945-01-159-7703
NSN 5925-01-422-4748
NSN 5855-01-391-7077