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 6610-00-520-6193
NSN 5930-01-069-1330
NSN 6645-00-780-5260
NSN 6145-00-427-7201
NSN 5975-00-011-2403
NSN 6240-01-380-9014
NSN 5835-01-580-0446
NSN 5930-01-200-8235
NSN 6150-01-126-0022
NSN 5990-01-239-5878
NSN 5905-00-651-8753
NSN 5935-01-420-5897