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 5920-00-212-7505
NSN 5925-01-481-3442
NSN 5915-01-032-1850
NSN 6105-01-534-5360
NSN 6105-01-379-1692
NSN 5905-00-539-4578
NSN 4140-00-434-5001
NSN 6220-00-605-0404
NSN 5905-01-336-5303
NSN 5915-00-462-3748
NSN 6110-00-377-9160
NSN 5985-00-540-9460