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 5950-01-509-3423
NSN 6685-01-271-2674
NSN 5895-01-183-1658
NSN 6645-01-484-6498
NSN 6650-00-155-2905
NSN 5835-00-794-7500
NSN 5930-00-201-1229
NSN 6645-01-419-3071
NSN 2925-00-149-0760
NSN 5960-01-279-2589
NSN 5950-01-632-4540
NSN 5960-00-312-7868