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 6620-00-858-4636
NSN 6135-01-604-8739
NSN 5930-01-334-1257
NSN 7035-00-403-5340
NSN 5895-00-140-1817
NSN 5975-00-189-0857
NSN 5920-01-626-8038
NSN 5945-00-540-1052
NSN 5930-00-393-2511
NSN 5945-00-369-0422
NSN 5905-00-758-4774
NSN 5960-00-170-6916