Download Hardware Operation - Agilent Technologies

Contents
Introduction ...............................................................................................................................5 Functional Description .............................................................................................................9 Introduction ................................................................................................................................................................. 9 Gas Chromatograph (GC) ........................................................................................................................................ 11 Mass Spectrometer (MS) .......................................................................................................................................... 11 Cooling Fans ...................................................................................................................................................... 11 Vacuum System ................................................................................................................................................. 12 Transfer Line ...................................................................................................................................................... 14 Ion Trap Assembly ............................................................................................................................................. 16 Ion Gauge........................................................................................................................................................... 20 Electronic Assemblies .............................................................................................................................................. 21 Power Input Subsystem and Turbomolecular Pump Controller ......................................................................... 22 Main Power Circuit (210-MS and 220-MS) ........................................................................................................ 22 Power Board ...................................................................................................................................................... 23 RF Generator Assembly..................................................................................................................................... 24 Manifold Electronics Assembly .......................................................................................................................... 25 Foreline Pump .......................................................................................................................................................... 26 210-MS and 220-MS .......................................................................................................................................... 26 225-MS ............................................................................................................................................................... 26 Data System ............................................................................................................................................................. 27 Computer/Instrument Interface ................................................................................................................................. 27 Computer Hardware and Software Requirements ................................................................................................... 27 Autosampler.............................................................................................................................................................. 27 Chemical Ionization ................................................................................................................ 29 Introduction ............................................................................................................................................................... 29 Installing CI Reagent Gas ......................................................................................................................................... 29 CI Reagent Gas Requirements .......................................................................................................................... 30 Setting Up the CI Reagent Gas Supply ............................................................................................................. 30 Checking the Reagent Gas Plumbing for Leaks ................................................................................................ 32 Setting CI Reagent Flow .................................................................................................................................... 33 Default Parameters for Gaseous CI Reagents .................................................................................................. 33 Default Parameters for Liquid CI Reagents ....................................................................................................... 33 Ion Intensities for Standard CI Reagents ........................................................................................................... 34 Liquid CI Reagents ................................................................................................................................................... 34 Installing the Liquid CI Inlet ................................................................................................................................ 34 Filling and Refilling the Liquid CI Reservoir Bulb ............................................................................................... 37 Preserving Liquids in Reservoirs ....................................................................................................................... 37 Setting Flows of Vapor from Liquid CI Reagents ............................................................................................... 38 Switching to Gaseous CI Reagent ..................................................................................................................... 39 1