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 5895-01-090-7564
NSN 5965-00-479-3026
NSN 6650-01-531-0908
NSN 6620-00-155-2608
NSN 6650-00-403-6386
NSN 6685-01-313-9738
NSN 2925-00-816-8765
NSN 6150-01-466-0453
NSN 5925-01-308-1458
NSN 4140-01-487-6227
NSN 2925-01-444-2061
NSN 6685-01-383-6522