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 5945-01-089-2586
NSN 5915-01-429-9287
NSN 5895-00-410-3772
NSN 7035-00-465-3298
NSN 2925-01-090-2391
NSN 5855-01-088-8700
NSN 5935-01-559-3132
NSN 6685-01-337-1826
NSN 5998-01-353-4964
NSN 6240-00-496-8974
NSN 5945-00-439-3579
NSN 5925-00-781-4535