Thermo Scientific EA IsoLink IRMS System Operating Manual page 38

1
Getting Familiar with your EA IsoLink IRMS System for CNSOH
Use of Gases
Referring to
1. After mounting the reducing valve to the gas cylinder both "on/off-valve" and "reducing-valve"
must be open.
2. Open the main valve for two or three seconds to let the gas purge the whole valve system.
3. Close the on/off-valve, then close the main-valve.
4. Mark manometer positions of the on/off-valve and main-valve, and wait for 10 - 15 min.
5. A leak may be present if the manometer positions have changed.
6. To detect a leak, use soap solution on all valves and connections. Check for bubble formation.
Remove soap solution quickly and carefully after test.
10 EA IsoLink IRMS System for CNSOH Operating Manual
Figure 6, proceed as follows:
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