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 6220-01-441-2889
NSN 5960-00-269-4762
NSN 5910-01-365-3974
NSN 6105-01-374-6681
NSN 6130-00-554-3691
NSN 5910-00-547-2609
NSN 6610-01-075-0673
NSN 6650-00-779-7294
NSN 5975-00-373-5066
NSN 6220-01-627-0393
NSN 5985-00-737-8382
NSN 6620-01-109-2764