An instrument used to count the frequency of recurrent electronic events and display the count on the panel of the instrument in numeric form. May also include facilities for a readout printed on tape. May include facilities for a very accurate output which can be used as a secondary transfer standard. It can be used to measure frequency, period, time interval, phase angle, frequency ratio, and for multiple period averaging. See also counter, electronic, digital and indicator, digital display.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6130-00-684-6773
NSN 5965-01-593-9931
NSN 5915-00-370-4813
NSN 6610-01-096-3997
NSN 5990-01-237-7188
NSN 6130-00-864-7821
NSN 6145-01-398-8811
NSN 5920-01-522-6132
NSN 5920-01-145-5362
NSN 6645-01-633-1852
NSN 5950-00-779-0603
NSN 6240-01-139-7467