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 5920-01-444-4567
NSN 5905-00-376-0108
NSN 6150-00-950-6430
NSN 5895-00-258-9135
NSN 5905-01-366-2949
NSN 6150-01-392-6750
NSN 6620-00-824-2176
NSN 5998-01-242-1066
NSN 5905-01-444-8175
NSN 6110-01-590-9772
NSN 5835-01-447-2544
NSN 5895-00-009-9152