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 5965-01-599-0799
NSN 5990-00-797-2592
NSN 6130-01-651-5320
NSN 5925-01-445-6112
NSN 6110-00-389-6600
NSN 5975-01-497-5371
NSN 5930-00-021-9665
NSN 6320-01-512-2031
NSN 5925-01-511-0220
NSN 5950-00-935-2343
NSN 5996-00-342-9246
NSN 5920-00-624-3049