Tek Manual for the 067-0544-00, Calibration Plugin for the 647A, on ebay


Jim Adney
 

On ebay, miss-listed as a manual for a 067-0554-00, this is actually a manual for a 067-0544-00, a calibration plugin for the 647A.

www.ebay.com/i/133659054167

I don't know how useful or common this is, but the price is right: $12.50 w/free shipping.