User guide

10 Advanced User Guide
uECD gas flows 316
uECD linearity 316
uECD detector gas 316
uECD temperature 316
uECD analog output 317
Recommended starting conditions for new uECD methods 317
uECD makeup gas notes 317
uECD temperature programming 318
Setting parameters for the uECD 318
About the NPD 319
New NPD features and changes 319
NPD software requirements 319
NPD flows and general information 319
NPD flow, temperature, and bead recommendations 320
NPD required gas purity 322
Setting parameters for the NPD 323
Selecting an NPD bead type 324
Changing from a ceramic bead to a Blos bead 325
Selecting an NPD jet 325
To configure the NPD 326
Automatically adjusting NPD bead voltage 327
Setting NPD adjust offset on the clock table 328
Aborting NPD adjust offset 328
Extending the NPD bead life 328
Setting the initial bead voltage for new beads 329
Setting NPD bead voltage manually (optional) 329
About the FPD 331
FPD linearity 332
FPD Lit Offset 332
Starting Up and Shutting Down the FPD 332
FPD photomultiplier protection 332
FPD optical filters 332
Inlet liners for use with the FPD 333
FPD temperature considerations 333
FPD gas purity 333
FPD gas flows 333
Lighting the FPD flame 334
Setting parameters for the FPD 335
11 Valves
About Valves 338
The Valve Box 339