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 5935-00-170-3061
NSN 2925-00-953-2920
NSN 7035-00-541-8516
NSN 7035-01-249-4547
NSN 5895-01-014-5849
NSN 5835-01-328-6626
NSN 5895-01-022-1765
NSN 4140-01-435-6540
NSN 5895-01-634-0630
NSN 5985-01-532-4767
NSN 5930-01-594-9313
NSN 6620-01-465-5120