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 6135-01-054-2462
NSN 5910-00-870-9906
NSN 5960-00-976-4871
NSN 5930-01-543-9475
NSN 5975-01-493-8873
NSN 6685-00-762-6836
NSN 6620-00-421-0465
NSN 6105-00-041-3736
NSN 5855-01-434-8467
NSN 5915-00-317-1893
NSN 5960-01-491-9916
NSN 6320-00-139-1090