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 6620-01-502-9104
NSN 6220-00-419-0635
NSN 6240-01-607-6252
NSN 5950-01-488-7010
NSN 6610-01-421-5367
NSN 5950-00-196-1429
NSN 5905-01-253-6862
NSN 6110-00-758-2051
NSN 6650-01-528-0538
NSN 5835-01-104-5707
NSN 5910-00-041-3402
NSN 6320-01-377-5701