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 6130-01-266-9512
NSN 5915-00-965-0535
NSN 5975-01-400-3414
NSN 6240-01-336-3580
NSN 5895-01-654-9108
NSN 5835-00-247-0161
NSN 5998-01-395-8737
NSN 5895-01-551-7316
NSN 5965-01-200-6613
NSN 5925-01-014-2960
NSN 5999-01-105-4629
NSN 5935-00-933-4994