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User name jpchen
Log entry time 17:56:21 on December17,2007
Entry number 221679
keyword=Loop 2 is operational.
Reduced loop1/loop3 coolant and increased loop 2 coolant.
Loop 1 HP heater is at 115 watts, loop 3 at 175 watts.
Loop 2 at 90 watts, at 6.5 K, 54 psi. Fan speed is at 48 Hz.
Changed loop 2 PID from 600/40/0 to 300/15/0.
Under this condition, loop 1 and 3 should not exceed beam current 20 uA. Loop 2 should not exceed 5 uA.
FIGURE 1
FIGURE 2