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 6240-01-348-0057
NSN 5925-01-113-8272
NSN 6220-00-782-2058
NSN 5998-00-155-7737
NSN 5935-01-322-7488
NSN 6240-01-323-4266
NSN 6220-00-235-3565
NSN 5920-00-646-5430
NSN 5895-01-554-0714
NSN 5920-00-803-3290
NSN 5895-00-157-1332
NSN 4140-01-310-0003