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 5925-01-191-4285
NSN 5960-00-201-5265
NSN 6150-00-104-4572
NSN 5925-01-651-3059
NSN 5915-01-436-9859
NSN 5935-01-022-1751
NSN 5990-01-542-4212
NSN 5990-01-423-7693
NSN 6650-01-656-4068
NSN 6145-01-112-0397
NSN 5905-01-368-5044
NSN 6105-00-730-9830