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 6105-01-384-3687
NSN 6645-01-603-9331
NSN 5905-01-094-7810
NSN 6620-00-375-0393
NSN 6610-01-483-1317
NSN 6320-01-380-7372
NSN 5895-01-657-0040
NSN 5999-01-100-0768
NSN 2925-00-243-6841
NSN 5975-01-234-8351
NSN 5999-00-300-0264
NSN 2925-00-363-9878