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 6320-00-456-2092
NSN 5950-01-411-5348
NSN 6150-01-474-9758
NSN 6650-01-257-7237
NSN 7035-01-220-6392
NSN 6110-01-435-4400
NSN 5945-01-462-4436
NSN 5999-01-546-4801
NSN 6650-00-127-3010
NSN 6685-00-133-2288
NSN 5960-00-252-1429
NSN 5935-01-022-7215