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 5996-00-156-5967
NSN 5975-01-239-4207
NSN 6620-00-723-9552
NSN 2925-01-515-7026
NSN 5895-01-055-7347
NSN 6685-01-628-8422
NSN 5855-00-631-4565
NSN 6145-00-993-8811
NSN 5950-01-381-2994
NSN 5985-01-346-7246
NSN 5935-00-281-1237
NSN 5999-01-232-1405