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User name deng
Log entry time 05:42:19 on September18,2009
Entry number 290300
keyword=target: JT valve changed from 54.0% to 54.5% then back to 54.0%
The heater power was down to 0.01W again, increase JT valve changed from 54.0% to 54.5%. But the cryoflows frequently goes over 25 and triggers the alarm. Changed the JT valve back to 54%, the cryoflows goes over 25 less frequently. The heater power also drifts frequently at the first.
FIGURE 1
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