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 5996-01-025-5683
NSN 6130-01-422-2352
NSN 4140-01-243-1658
NSN 6220-01-424-6446
NSN 5835-01-408-7576
NSN 6135-00-539-8088
NSN 6645-00-225-2742
NSN 6135-01-435-5558
NSN 5975-00-044-2101
NSN 6110-01-289-4689
NSN 5920-01-319-9662
NSN 5905-00-417-0767