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 6220-00-049-7834
NSN 5910-01-563-5350
NSN 6645-01-432-1068
NSN 6150-01-642-2285
NSN 5835-01-085-5487
NSN 6650-00-654-6950
NSN 5965-01-447-4220
NSN 6685-01-361-6969
NSN 5998-01-634-0604
NSN 6105-01-656-3715
NSN 6110-01-655-6364
NSN 6685-01-360-6765