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 2925-01-231-6312
NSN 5985-01-068-0923
NSN 5985-01-061-7515
NSN 5950-01-502-5342
NSN 5895-01-107-5814
NSN 5999-01-406-2840
NSN 6620-00-229-2728
NSN 5930-00-278-7731
NSN 5945-00-357-4908
NSN 5920-01-660-7238
NSN 5965-01-429-0881
NSN 6240-00-372-4841