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 6685-00-726-6989
NSN 6685-01-468-9517
NSN 5945-01-416-2795
NSN 7035-00-252-7467
NSN 6685-01-425-3128
NSN 5895-01-222-1426
NSN 5999-00-935-3361
NSN 6320-01-512-2031
NSN 5930-01-626-6834
NSN 6620-01-570-4026
NSN 7035-01-630-1418
NSN 5999-01-151-4369