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 5915-00-278-5561
NSN 5975-01-090-2487
NSN 5855-01-321-3881
NSN 5985-01-388-0156
NSN 6130-01-048-8036
NSN 5950-01-632-0098
NSN 6220-01-417-9224
NSN 6135-00-945-0015
NSN 5965-01-431-5809
NSN 5990-00-821-6257
NSN 5945-01-107-2081
NSN 5950-00-417-2267