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 5996-01-056-9046
NSN 5905-01-250-2486
NSN 5855-01-464-3152
NSN 6685-01-371-5445
NSN 5965-00-486-7907
NSN 6105-00-270-8078
NSN 5975-00-081-2171
NSN 6320-01-426-8947
NSN 6685-00-527-7246
NSN 5990-00-033-8128
NSN 5925-01-298-1192
NSN 5950-01-366-7924