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 5905-01-423-1013
NSN 2925-01-587-3956
NSN 6110-01-239-1786
NSN 6650-01-481-3618
NSN 6650-01-259-4598
NSN 6220-00-293-5368
NSN 6150-00-173-3964
NSN 5925-01-367-2519
NSN 6610-01-531-3480
NSN 6240-01-409-2465
NSN 6130-01-550-6380
NSN 5999-01-589-6838