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 5999-01-006-7957
NSN 6685-01-057-7720
NSN 6645-00-269-8440
NSN 5835-01-606-8768
NSN 5910-00-686-2375
NSN 6110-01-038-9455
NSN 5855-00-014-5008
NSN 5960-00-190-0090
NSN 5895-00-944-1827
NSN 5998-00-874-1062
NSN 6110-01-219-1754
NSN 4140-01-279-0058