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 6240-00-117-3778
NSN 5996-01-012-1924
NSN 7035-01-555-7024
NSN 5999-01-386-4454
NSN 6320-01-390-2242
NSN 5910-00-596-3179
NSN 6110-00-625-6728
NSN 6240-01-174-5646
NSN 5930-01-314-9668
NSN 5960-01-109-0768
NSN 6240-00-984-6257
NSN 7035-01-119-6271