Waters Xevo G2 QTof, Operator'S, Overview And Maintenance Manual, Page: 222 / 248

B-12 External Connections
Connecting to the collision cell gas supply
Required materials
• Chemical-resistant, powder-free gloves
• 7/16-inch wrench
• 1/8-inch Swagelok
®
nut and ferrule
• 1/8-inch stainless steel tube (supplied with the mass spectrometer)
• Argon regulator (not supplied)
To connect the collision cell gas supply
1. Use the 1/8-inch Swagelok nut and ferrule to connect the 1/8-inch
stainless steel tube to the collision cell gas inlet on the rear of the mass
spectrometer (see the figure on page B-11 ).
2. Use the 7/16-inch wrench to tighten the 1/8-inch Swagelok nut.
3. Attach the argon regulator to the argon supply.
Requirement:
The argon must be dry and of high purity (99.997%).
4. Connect the free end of the tube to the collision gas supply.
5. Set the argon regulator to 50 kPa (0.5 bar, 7 psi).
Connecting the nitrogen exhaust line
Required materials
• Chemical-resistant, powder-free gloves
• Sharp knife
• Nitrogen exhaust trap bottle
• 4-mm and 12-mm PTFE tubing (included in the Xevo G2 QTof
installation kit)