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 6320-00-400-8042
NSN 5835-01-580-0446
NSN 5999-01-630-1596
NSN 6320-00-089-9426
NSN 6220-01-080-8654
NSN 2925-01-550-0177
NSN 5935-01-317-5761
NSN 5925-01-277-8537
NSN 5920-01-630-7299
NSN 5990-00-308-2538
NSN 5925-01-486-3665
NSN 6105-01-343-0612