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What effects 219 peak width on standard autotune?

Question asked by wdief001 on Jan 18, 2017
Latest reply on Sep 19, 2017 by james_jenkins

On my 5975 MS, the peak width for 219 on the standard autotune runs low. My range is 0.45 to 0.65. The 69 and 502 run above 0.50 but the 219 consistently runs 0.47 and below. Cleaning and maintenance are performed regularly. Filaments have been changed, repeller and drawout plate have been replaced, new PFTBA used, new autotune downloaded from Agilent hotline. My even older 5973 has no problems. Any suggestions?