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 5925-01-144-5459
NSN 5835-01-632-6627
NSN 5855-01-197-2774
NSN 6650-01-179-3823
NSN 5975-01-062-1435
NSN 5920-00-753-5113
NSN 5999-01-417-9265
NSN 5935-01-429-8311
NSN 5996-00-917-2833
NSN 5855-01-321-3881
NSN 5990-01-421-3325
NSN 6105-01-423-6617