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 6650-01-521-9877
NSN 6105-01-155-6962
NSN 6240-00-435-0433
NSN 6620-01-420-3386
NSN 5920-00-501-1657
NSN 7035-01-645-4885
NSN 5965-01-241-0553
NSN 5950-01-137-7596
NSN 6135-01-362-4256
NSN 5895-01-464-3971
NSN 6240-01-346-5550
NSN 6145-01-204-7021