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 6645-01-428-3576
NSN 6110-01-309-6228
NSN 6320-01-618-7800
NSN 5998-00-913-9669
NSN 5999-00-245-2104
NSN 5945-01-387-6742
NSN 5990-01-512-9129
NSN 5960-01-514-5433
NSN 5950-01-129-3043
NSN 4140-01-252-9502
NSN 5950-00-881-0830
NSN 5895-01-496-1101