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 5960-00-960-6805
NSN 5855-00-494-9581
NSN 5930-01-132-1607
NSN 5835-01-235-1125
NSN 6105-00-541-6624
NSN 5925-01-244-3322
NSN 5905-01-537-1271
NSN 6645-01-605-4351
NSN 4140-01-592-6145
NSN 5975-00-500-0166
NSN 5999-01-377-2387
NSN 6105-01-145-2681