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 5996-01-272-7879
NSN 5855-00-928-1912
NSN 6150-01-634-0575
NSN 6220-00-211-6146
NSN 6110-00-459-4217
NSN 5985-01-149-2469
NSN 5960-01-379-7594
NSN 6685-01-516-8322
NSN 6685-01-553-9365
NSN 5835-01-324-8739
NSN 5935-01-310-6762
NSN 6150-00-087-3486