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 6150-01-491-2946
NSN 5965-01-080-9808
NSN 5996-01-100-2952
NSN 6220-00-790-5431
NSN 5920-01-577-4214
NSN 5835-00-876-4544
NSN 6650-00-327-5846
NSN 5925-01-615-4520
NSN 6130-01-276-5980
NSN 6610-00-682-6215
NSN 6645-01-356-3105
NSN 5835-00-546-4898