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 6220-01-101-4906
NSN 6135-01-151-2705
NSN 5935-01-643-7460
NSN 5915-01-207-2121
NSN 6145-01-206-8086
NSN 6130-01-444-3392
NSN 5965-00-505-2166
NSN 6130-00-408-2578
NSN 6645-00-544-8529
NSN 6135-01-260-7180
NSN 5935-01-629-8641
NSN 6650-00-421-4052