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 5935-00-679-8405
NSN 6650-00-356-8405
NSN 5905-00-760-7178
NSN 6135-01-026-9960
NSN 5999-00-980-1423
NSN 5975-00-338-4287
NSN 5960-01-493-3948
NSN 6110-00-113-1415
NSN 6240-00-419-4301
NSN 5925-01-411-1240
NSN 5910-01-416-7512
NSN 6130-00-799-7928