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 6240-01-043-5308
NSN 4140-00-085-1355
NSN 6645-00-342-5956
NSN 5910-01-299-7933
NSN 5960-00-822-9519
NSN 6650-01-516-3631
NSN 6135-01-550-6279
NSN 5925-01-311-1285
NSN 4140-01-245-3281
NSN 5895-00-827-0240
NSN 6650-01-448-2263
NSN 5930-01-592-6901