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 5998-00-148-9718
NSN 6145-01-041-9989
NSN 5999-01-604-8551
NSN 6145-00-170-6467
NSN 5910-01-607-8212
NSN 5905-01-128-0662
NSN 5920-01-490-7329
NSN 5965-00-592-0812
NSN 5920-00-584-4592
NSN 6135-00-488-4478
NSN 6620-01-454-5717
NSN 5915-01-137-1392