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 5895-01-040-7078
NSN 6240-01-130-7854
NSN 6240-01-529-6624
NSN 5965-01-544-8686
NSN 5999-01-456-9333
NSN 6105-00-243-7952
NSN 5950-01-254-0548
NSN 6620-00-538-8746
NSN 6135-01-186-4010
NSN 6645-01-457-0158
NSN 6105-01-634-0322
NSN 5920-01-531-6001