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 5835-01-209-6410
NSN 6145-00-174-9344
NSN 5930-01-634-0659
NSN 5895-01-246-9079
NSN 6135-01-417-6539
NSN 5996-01-434-0922
NSN 6620-00-959-6614
NSN 5910-01-411-1484
NSN 5935-00-426-7076
NSN 6150-01-417-2643
NSN 5996-00-201-8861
NSN 5990-01-458-9576