3
Vacuum System
Inlet Gases Hardware
18 Orbitrap Fusion Series Hardware Manual Thermo Scientific
Inlet Gases Hardware
The inlet gas hardware controls the flow of the helium damping gas; the nitrogen sheath gas,
auxiliary gas, sweep gas, and collision gas; and the nitrogen venting gas into the mass
spectrometer. Figure 7 shows the gas inlets on the back of the mass spectrometer.
• Helium Regulator
• Nitrogen Gas Valves
• Vent Valve
Figure 7. Gas inlet ports (back of the mass spectrometer)
UHP nitrogen gas inlet
HP nitrogen gas inlet
UHP helium gas inlet
(Orbitrap Fusion MS)
(Orbitrap Fusion Lumos MS)
UHP nitrogen gas inlet
HP nitrogen gas inlet
UHP helium gas inlet