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 5960-00-148-4493
NSN 5950-01-495-1327
NSN 5950-00-404-0402
NSN 5855-00-327-2112
NSN 6145-00-512-6675
NSN 6685-01-287-2700
NSN 5920-00-146-5071
NSN 6145-01-524-2112
NSN 5960-01-087-8687
NSN 5985-01-553-2406
NSN 5835-01-307-8954
NSN 6685-01-228-2893