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User name kai
Log entry time 04:13:39 on March13,2011
Entry number 351434
keyword=step close JT valve
We are in 25uA now, and the heat power is still around 100w, mainly due to I stepped open the JT valve by one step during MCC ion chamber calibration. Now I will step close it by one step to keep the power around 60w during production condition (25ua, 10cm He4).
FIGURE 1
FIGURE 2