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 6240-01-188-7282
NSN 5965-00-647-3972
NSN 5998-01-351-3421
NSN 6105-00-548-3547
NSN 5999-00-730-7406
NSN 5835-01-386-4027
NSN 6650-00-878-8909
NSN 5895-01-370-8853
NSN 6110-00-231-7248
NSN 6110-01-486-5717
NSN 5915-00-343-6814
NSN 5998-01-376-3504