At line 2 added 7 lines. |
+ It is highly recommended to use the automatic condensing scripts in SEA. |
+ Click on "sorbpump", when "readyforpump", make sure that the IVC is connected |
+ to a running turbo pump, and the valve and the IVC space is open. |
+ |
+ The automatic script is doing a sligthly different condensing procedure than |
+ described below. |
+ |
Line 8 was replaced by line 15 |
- * Cool the 1 K pot to a temperature below 3 K. With the |
+ * Cool the VTI ("1 K pot" thermometer) to a temperature below 3 K. With the |
Line 11 was replaced by line 18 |
- pump of about 20 mbar. |
+ pump of about 12 mbar. |
Lines 27-30 were replaced by lines 34-36 |
- * Open a little valve 12A (4.0 % to start). |
- * While the pressure reading on G1 should always be below about 400 mbar, |
- Valve 12A can be opened gradually, and opened completely, when the |
- reading on G2 drops below 350 mbar. |
+ * Open V12A a little (4 %) to allow the mixture pass the trap slowly. |
+ * When the pressure reading on G1 stabilizes or decreases, open valve 12A |
+ completely. |
Lines 42-43 were replaced by line 48 |
- and close valve 14 again, but make sure that the pressure on G1 does |
- not increase above 350 mbar. |
+ and close valve 14 again. Do that several times. |
Line 45 was replaced by line 50 |
- raise above 50 mbar. Leave the valve open until the P1 drops below 0.1. |
+ raise above 50 mbar. Leave the valve open until P1 drops below 1. |
Lines 52-53 were replaced by lines 57-58 |
- the flow on the condenser line might falls below 100 (black display below |
- the valve panel). |
+ the flow on the condenser line might fall below 100 (black display below |
+ the valve panel, on DIL1 only). |