Waters Autospec Premier - Page 338

G-4 Theory and principles of operation
AutoSpec Premier components:
Source focus 1 Beam center Source focus 2 Z Deflect 1
Source slit Y Deflect 1 Alpha slit Y Focus
ESA 1
Z Deflect 2
Rotate 2
Curve 2
Z Focus 2
Rotate 4 Collector slit
Detector
Z Restrictor 4
Z Deflect 3
Rotate 3
Curve 3
Z Focus 3
FFR1 gas Cell Source
ESA 2
NRMS gas cell
MIKES slit
MIKES gas cell
Slit Lens Gas cell
Magnet
Note: The First Field-Free Region (FFR.1) comprises the area between the source and ESA 1. The Second Field-Free Region (FFR.2) comprises the area between ESA 1 and the magnet. The Third Field-Free Region (FFR.3) comprises the area between the magnet and ESA2. The Fourth Field-Free Region (FFR.4) comprises the area between ESA2 and the detector.