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 6610-00-804-6312
NSN 6685-00-611-3949
NSN 6110-00-845-0524
NSN 7035-01-520-7243
NSN 6240-01-545-3608
NSN 6685-01-267-0616
NSN 6650-01-039-9340
NSN 5915-00-516-9987
NSN 5835-01-616-6131
NSN 6620-01-146-4680
NSN 5960-01-301-3315
NSN 6110-00-409-1115