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 6130-00-938-2961
NSN 5950-01-174-4468
NSN 4140-01-583-3203
NSN 5835-01-208-8800
NSN 5996-00-106-8258
NSN 5990-00-960-6310
NSN 5998-01-359-8831
NSN 5835-00-227-7909
NSN 6645-01-540-0231
NSN 2925-01-041-2360
NSN 5990-01-310-2848
NSN 5935-01-452-9733