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 5910-01-603-2070
NSN 5925-00-660-5403
NSN 5998-01-616-2117
NSN 5925-00-702-1924
NSN 5895-00-299-0154
NSN 5935-00-949-0547
NSN 6320-00-284-1524
NSN 6620-01-432-7032
NSN 5996-01-264-8374
NSN 6150-00-918-8357
NSN 5999-01-607-6963
NSN 6150-01-569-1157