Ametek Dycor Dymaxion Mass Spectrometer, User Manual

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iv | Dycor Dymaxion Mass Spectrometer
CHAPTER 4 Communications Protocol
Host Communications ........................................................................................ 4-1
Error Codes ....................................................................................................... 4-11
Operation .......................................................................................................... 4-12
CHAPTER 5 Sampling Systems
Sampling Under Vacuum .................................................................................... 5-2
Inlets ................................................................................................................... 5-4
Sampling at Atmosphere ..................................................................................... 5-4
Inlet Option Descriptions .................................................................................... 5-4
Capillary ....................................................................................................... 5-4
Replacing/Installing the Capillary ................................................................ 5-5
Aperture ........................................................................................................ 5-6
Sweep tee ..................................................................................................... 5-6
High conductance valve ............................................................................... 5-6
Pumping Systems ................................................................................................ 5-7
CHAPTER 6 Maintenance and Troubleshooting
Dymaxion Electronics and Sensor ...................................................................... 6-1
Quadrupole Head Maintenance .......................................................................... 6-2
Filament Replacement ........................................................................................ 6-2
Open Source ................................................................................................. 6-2
Equipment required to replace a filament .............................................. 6-2
Removing the Dymaxion electronics ...................................................... 6-3
Removing the old filament ..................................................................... 6-3
Installing the new filament ..................................................................... 6-3
Closed Source ..................................................................................................... 6-4
Equipment required to replace a filament .............................................. 6-4
Removing the Dymaxion electronics ...................................................... 6-4
Removing the old filament ..................................................................... 6-5
Installing the new filament ..................................................................... 6-6
Disassembling the Source ................................................................................... 6-7
Open Source ................................................................................................. 6-7
Assembly and Installation
Refer to Figure 6-3. ............................................
6-
7
Cleaning ....................................................................................................... 6-8
Closed/Enclosed Source ............................................................................... 6-9
Cleaning ....................................................................................................... 6-9
Cleaning the ion volume and source.................................................... 6-10
Assembling the Source ............................................................................... 6-10
Electron Multiplier / V-Stack Detector ............................................................. 6-11
Troubleshooting the Dymaxion ........................................................................ 6-12
Things to Check First ........................................................................................ 6-12
Quick and Easy Solutions ................................................................................. 6-12
Dymaxion Communications ............................................................................. 6-14
LEDs .......................................................................................................... 6-14
Filament Trip/Overpressure and LEDs ............................................................. 6-15