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 5945-01-535-6385
NSN 5905-00-952-6026
NSN 5996-00-811-8120
NSN 6685-01-437-4904
NSN 6240-01-269-8454
NSN 5975-01-462-0085
NSN 5990-00-905-9556
NSN 6110-01-305-2768
NSN 5915-00-660-9207
NSN 6110-01-130-2975
NSN 5895-01-393-4731
NSN 5915-00-278-5561