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 5910-00-456-0824
NSN 2925-01-294-9823
NSN 2925-00-386-8745
NSN 5990-00-281-4164
NSN 5915-00-318-1356
NSN 6105-00-853-8662
NSN 7035-01-026-0117
NSN 5835-00-227-7909
NSN 6650-01-240-2334
NSN 6650-00-451-8174
NSN 5905-01-034-1086
NSN 6645-00-574-9712