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 5835-00-392-8716
NSN 6105-01-578-6551
NSN 6620-01-024-1228
NSN 5855-01-112-7725
NSN 5855-01-656-6808
NSN 5910-01-406-0202
NSN 5945-00-499-0083
NSN 6685-00-103-0450
NSN 5895-01-458-0314
NSN 6110-00-453-4104
NSN 6135-00-985-7846
NSN 4140-01-449-4193