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
NSN 6220-00-289-9915
NSN 5945-01-310-0845
NSN 6650-01-036-9083
NSN 5835-00-198-4936
NSN 6240-01-070-2483
NSN 5985-01-352-4731
NSN 6135-01-589-9467
NSN 5996-00-217-2654
NSN 5985-00-339-7459
NSN 5945-01-091-1273
NSN 5935-01-249-6522