6.3.2.5 Diagnostic Menus
Flow control parameters
Main Menu — Technical level configuration
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| Flow control parameters | |||||||||||||||
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| CLD |
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| 95.0 ppm |
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| NO/NOx flow balance |
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| NOx correction factor: |
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| 1.0000 |
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| Calculate factor using pressure ratio... |
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| Calculate factor using span gas response ratio... |
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In the menu "NO/NOx flow balance" you can set up or calculate an NOx to NO flow correction factor.
Since the sample flows through different paths in the NO and NOx modes of analysis, there are differences in the flows entering the reaction chamber in the two modes. So the CLD may produce wrong results of analysis. To compensate the different flow rate you can set up a correction factor manually or calculate it in two different methods.
Note:
¨This menu page will only be available in the software revision 2.3! The correction function will only be valid for the CLD hardware "CLD 2" without flow balance valve!
¨The NO/NOx compensation of the former models will have to be done with the flow balance valve! In that case, you will not find the menu page shown above.
Set up parameters:
¨Select the line of variables or the menu line with the ↓
¨Select the variable or change to the submenu with the ENTER key or the →
¨Select any digit with the ←
¨Confirm the new value with the ENTER key or cancel and go back to the last value with the F2 key.
6 - 36 | NGA 2000 |
90003749(1)