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 6650-01-462-0830
NSN 5945-01-160-7861
NSN 6645-00-620-9294
NSN 5935-00-462-7201
NSN 7035-00-511-8617
NSN 6220-01-130-9294
NSN 6150-01-221-8565
NSN 6105-00-389-7994
NSN 5998-00-876-7932
NSN 6150-01-655-7724
NSN 6320-01-631-7828
NSN 6645-01-231-9891