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 6645-01-154-3080
NSN 6150-01-259-7888
NSN 6150-00-701-3433
NSN 5975-01-429-9503
NSN 5990-01-225-5374
NSN 6110-01-215-2834
NSN 6240-01-370-5242
NSN 5895-00-288-5878
NSN 5998-01-331-1467
NSN 5945-01-610-2539
NSN 5905-01-258-5549
NSN 5930-01-349-7543