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 5915-01-243-3583
NSN 6105-01-626-5359
NSN 6220-00-515-6998
NSN 5960-00-275-7497
NSN 5930-01-447-2837
NSN 5895-01-396-9058
NSN 5975-00-157-4296
NSN 6645-01-234-2856
NSN 7035-00-631-3782
NSN 5930-01-419-7006
NSN 5925-01-216-7300
NSN 5990-01-207-8684