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 5905-00-449-0244
NSN 4140-01-125-1374
NSN 5999-01-277-2122
NSN 5855-01-069-1341
NSN 6145-00-816-6166
NSN 6110-00-581-4445
NSN 5920-00-661-0840
NSN 5960-01-247-4560
NSN 6135-01-329-7994
NSN 6645-01-211-2111
NSN 5985-01-645-6303
NSN 7035-01-033-3007