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 6110-00-573-7553
NSN 6240-01-406-4042
NSN 6320-01-209-0952
NSN 5975-01-222-2612
NSN 5930-01-441-2219
NSN 6145-01-115-0859
NSN 6150-00-169-4232
NSN 5965-00-400-6228
NSN 6135-01-281-4758
NSN 6240-00-403-1272
NSN 5920-00-470-2903
NSN 5855-01-111-3962