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 6130-00-894-1918
NSN 5925-01-147-5725
NSN 5945-01-407-4181
NSN 5925-01-095-9990
NSN 5895-00-127-9533
NSN 5905-00-251-5144
NSN 5930-01-026-7729
NSN 5960-01-076-2916
NSN 6150-00-823-4702
NSN 6620-00-030-7759
NSN 5910-01-395-0058
NSN 6320-01-449-1014