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 5945-01-543-6720
NSN 6650-01-113-7563
NSN 5998-00-881-9781
NSN 5960-01-520-4615
NSN 7035-01-505-5979
NSN 5835-01-047-6697
NSN 6645-01-440-5500
NSN 5965-00-458-7321
NSN 6645-00-244-0359
NSN 5905-01-371-3097
NSN 6240-01-581-2000
NSN 6135-01-448-4680