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 5895-00-783-8390
NSN 4140-01-138-2205
NSN 5985-00-666-2987
NSN 6320-00-284-1524
NSN 6240-00-518-3541
NSN 5895-00-197-7188
NSN 6320-01-544-6447
NSN 6240-01-123-0475
NSN 6105-00-675-0525
NSN 5945-01-089-7649
NSN 5965-01-441-3876
NSN 6110-01-607-3458