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 5975-01-459-2611
NSN 5910-01-612-7198
NSN 6650-01-237-4689
NSN 5950-01-417-3119
NSN 6240-01-203-4992
NSN 7035-01-633-1920
NSN 6645-00-927-1444
NSN 6145-01-460-0598
NSN 6110-01-129-0341
NSN 6620-00-073-9859
NSN 5965-01-629-9131
NSN 5950-01-350-4884