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 5935-00-579-5638
NSN 5915-01-354-1092
NSN 5935-00-810-9494
NSN 5915-01-334-7805
NSN 6105-01-660-3411
NSN 5895-01-062-0002
NSN 5935-01-582-4419
NSN 5998-01-509-5838
NSN 5996-00-670-0881
NSN 5895-01-451-4547
NSN 6105-01-033-4720
NSN 5855-01-479-3152