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 2925-01-629-9416
NSN 5920-01-559-9095
NSN 6135-00-299-6918
NSN 6150-00-567-1650
NSN 6610-01-011-5942
NSN 5996-00-052-6533
NSN 5835-00-358-4235
NSN 5990-01-372-1642
NSN 2925-01-300-2897
NSN 5945-00-840-7119
NSN 6105-00-707-5962
NSN 5835-01-203-1871