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 6110-00-402-0055
NSN 5985-01-660-1481
NSN 5985-01-378-7553
NSN 5990-01-627-8097
NSN 5975-00-149-0758
NSN 6130-01-370-4153
NSN 6220-00-905-5686
NSN 5960-01-470-1579
NSN 5935-01-225-6824
NSN 5935-01-069-5259
NSN 6240-01-091-5185
NSN 6110-01-378-5951