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 5999-00-973-9115
NSN 5975-00-143-4658
NSN 5999-01-024-8217
NSN 5950-01-244-0517
NSN 5935-01-178-8402
NSN 6320-01-541-7585
NSN 5945-00-938-1171
NSN 5835-00-980-0468
NSN 5965-01-462-3001
NSN 6130-01-062-4723
NSN 5895-00-125-5335
NSN 6650-01-211-5628