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 6645-01-449-0785
NSN 6105-01-423-8242
NSN 5950-00-264-1146
NSN 5998-01-261-3081
NSN 5999-00-554-9966
NSN 5835-01-199-1078
NSN 5905-01-499-5149
NSN 5930-00-198-4306
NSN 5935-00-960-5519
NSN 5996-00-930-8127
NSN 5996-01-330-4869
NSN 6240-01-526-9660