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 5985-00-679-9529
NSN 5915-01-302-8985
NSN 6610-01-250-2811
NSN 6645-00-986-1110
NSN 5905-01-408-5208
NSN 5915-00-316-9824
NSN 6650-01-579-5779
NSN 5910-01-120-3820
NSN 5965-01-529-5311
NSN 5925-01-090-4112
NSN 5935-01-545-1621
NSN 6240-01-259-0665