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 5835-00-013-0905
NSN 5975-00-433-5983
NSN 6620-01-548-7441
NSN 6130-00-497-0505
NSN 6650-01-490-2381
NSN 6130-00-186-8460
NSN 5950-01-036-6997
NSN 6105-00-138-5360
NSN 6610-00-727-0882
NSN 5910-00-005-4601
NSN 5950-01-029-9412
NSN 7035-01-438-2108