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 5975-01-175-2057
NSN 5835-01-647-0775
NSN 2925-01-167-6500
NSN 4140-00-938-8664
NSN 5996-00-569-7391
NSN 6240-00-201-9011
NSN 5950-00-067-5787
NSN 5935-01-544-4863
NSN 5945-00-758-9121
NSN 5945-00-054-7395
NSN 5965-01-100-3878
NSN 5930-01-200-6677