Comment drytek2 SNF 2008-11-07 18:25:22: Problem is Readout Not Gauge

mcvittie at snf.stanford.edu mcvittie at snf.stanford.edu
Sun Nov 9 14:46:08 PST 2008


The problem was my fault, I turned off the pump where working on the rf supply. The gauge has a builtin set point and rely, which inhibits the readout if the vacuum is not low enough. The gauge is working but I question the readout. When the gauge reads 150 mT, the pressure voltage from the gauge is only 103 mV. It should be 150 mT.  




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