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 5855-01-212-6612
NSN 5965-01-498-4451
NSN 6130-00-113-3430
NSN 6110-00-387-3911
NSN 5895-01-339-7734
NSN 5998-01-095-0542
NSN 4140-00-592-3318
NSN 5910-01-562-3401
NSN 5930-01-565-3513
NSN 2925-00-231-8041
NSN 6150-00-630-4635
NSN 6240-00-438-6999