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 5985-01-097-2048
NSN 6610-00-099-4096
NSN 6105-01-562-3297
NSN 6240-01-366-9670
NSN 6650-01-495-1269
NSN 5975-01-481-5985
NSN 5835-00-987-9341
NSN 5960-01-312-1262
NSN 6220-01-568-9999
NSN 6650-00-256-9059
NSN 5990-00-806-3556
NSN 5975-00-840-5844