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 5925-01-262-5031
NSN 5999-01-197-5894
NSN 5855-01-583-1037
NSN 5996-01-136-5730
NSN 6135-01-601-7197
NSN 7035-01-403-2841
NSN 5835-01-561-2959
NSN 5920-01-534-7866
NSN 6220-00-288-4350
NSN 5960-01-641-5493
NSN 7035-01-123-8723
NSN 6110-00-392-6173