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 5985-01-276-1042
NSN 5998-00-133-8963
NSN 6110-01-517-1501
NSN 5930-01-073-9926
NSN 4140-01-513-7636
NSN 6110-01-134-6550
NSN 5945-01-576-8492
NSN 6135-01-109-8763
NSN 6105-00-476-3059
NSN 5990-01-471-7858
NSN 5910-01-032-3458
NSN 5835-00-358-4235