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 6135-00-497-0491
NSN 5975-00-186-8884
NSN 5990-01-336-3976
NSN 6150-01-015-0519
NSN 5915-01-645-8584
NSN 6320-01-578-6006
NSN 5985-01-525-7624
NSN 6650-01-030-0238
NSN 5910-01-381-3009
NSN 5960-01-274-3900
NSN 5950-01-218-5639
NSN 6110-01-446-9875