Voyager DP-263-S Guía de usuario Pagina 486

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Appendix A Specifications
A-8 PerSeptive Biosystems
A
Table A-8 Voyager-DE STR Mass Spectrometer Specifications
Condition Specification
Reflector Single-stage with optimized optics for
PSD Analysis
Flight tube (horizontal) Linear mode—2.0 m
Reflector mode—3.0 m
Ion source Two-stage
Ion source voltages Tunable:
Accelerating Voltage—Up to 25,000 V
Grid Voltage—Range determined by
Accelerating Voltage
Laser Nitrogen, 337 nm, 3 ns pulse
Vacuum system Dual differential turbomolecular pumping for
ultra-high vacuum
Multi-vacuum gauge capability for
independent monitoring of source and
analyzer regions
Ion detection Positive and negative
Sample analysis 100-well sample plates
Manual control using control stick or software
Sequence Control software for automated
analysis
Mass range
300,000 Da
Upper limit set by suitably ionized biomolecule.
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