Used on eara-fc
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 6610-01-415-5877
NSN 6105-01-442-7801
NSN 5855-00-221-9435
NSN 5855-00-138-2386
NSN 5905-01-141-6633
NSN 5996-01-067-8716
NSN 5910-00-156-7293
NSN 5996-01-502-9414
NSN 6110-00-382-5472
NSN 5998-00-227-7586
NSN 6645-00-012-5834
NSN 6685-00-248-4016