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 5996-01-056-4952
NSN 6240-00-159-4403
NSN 5910-01-115-9701
NSN 5930-01-575-6164
NSN 6240-01-461-8193
NSN 5990-01-651-6364
NSN 6145-00-015-6283
NSN 6240-00-578-7894
NSN 5915-01-647-0518
NSN 5985-00-387-0623
NSN 6150-01-286-7420
NSN 6685-01-561-1677