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 6110-00-433-8014
NSN 6130-01-541-8862
NSN 5998-00-407-3099
NSN 6240-01-332-0310
NSN 5835-01-013-3420
NSN 5895-01-654-2003
NSN 5999-01-474-5011
NSN 5990-00-229-4647
NSN 6620-00-147-6034
NSN 5965-00-011-6742
NSN 5895-00-960-8526
NSN 5930-01-103-1367