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 5985-01-008-9490
NSN 6685-00-435-9487
NSN 5990-00-924-4167
NSN 6150-01-329-6743
NSN 5996-01-033-8371
NSN 5835-00-055-0953
NSN 5835-00-253-3453
NSN 5930-01-143-9164
NSN 6220-01-599-1993
NSN 5950-01-370-2339
NSN 6645-01-413-7024
NSN 5920-01-019-3685