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 5990-00-989-6839
NSN 6645-01-525-7493
NSN 6685-00-269-6444
NSN 5975-01-196-6306
NSN 5999-01-628-3900
NSN 5930-01-516-9637
NSN 5835-01-532-9373
NSN 6150-01-216-9983
NSN 5920-00-518-7314
NSN 5920-01-258-4541
NSN 6685-01-634-0611
NSN 6145-00-565-9560