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 5935-01-076-4998
NSN 6645-00-914-2820
NSN 4140-00-200-9082
NSN 5835-01-277-9327
NSN 5915-01-025-6169
NSN 5930-00-282-2627
NSN 5945-01-315-7126
NSN 6240-01-088-7497
NSN 5990-00-741-9775
NSN 5985-00-166-0811
NSN 6320-01-384-7079
NSN 2925-01-027-1293