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 5930-00-144-4994
NSN 6240-01-449-2883
NSN 5835-00-198-4936
NSN 5925-01-174-5403
NSN 5910-01-633-9963
NSN 6110-01-085-0436
NSN 6150-00-101-2788
NSN 6685-00-177-5006
NSN 5930-00-678-2946
NSN 2925-01-243-0328
NSN 6135-00-078-9931
NSN 5999-01-106-1649