5.1 Analyzer Module Setup
5.1.3 Range parameters – Autoranging control
Main Menu — Analyzer and
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| Analyzer module setup |
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| Range parameters |
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| Autoranging control |
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| TAG |
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| 95.00 ppm |
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| Switch level hysteresis: |
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| 10 % |
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| Usage of range |
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| Enabled |
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| Usage of range |
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| Enabled |
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| Usage of range |
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| Enabled |
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| Usage of range |
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| Enabled |
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| Absolute, range lower limit: |
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| 0.00 | ppm |
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| Absolute, range upper limit: | 1000000 | ppm |
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| Calculate switch levels automatically: |
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| Enabled |
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| Measure |
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| Channel |
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| F1 | F2 |
| F3 | F4 |
| F5 |
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In the menu "Autoranging Control" you can set up the parameters for the autoranging control of the current channel. If you want to set up the autoranging control of the other channels of an MLT analyzer or analyzer module, you have to press the F3 key.
If the autoranging is enabled, the best range for the current concentration will be selected, automatically.
Conditions:
¨The range control has to be enabled!
To setup: See the line "Range control" in the menu "Range parameters", p.
¨The begin of range has to be zero for all four ranges of the current channel! To setup: See menu "Begin and End of Ranges", p.
¨All four response times of the current channel must have the same value! To setup: See menu "Response Times", previous page.
¨The span gas concentration has to be in the correct range!
To setup: See menu "Span Gas Definition", section 5.1.1 p.
The last three lines of the menu:
The parameters in these lines are factory settings and cannot be changed in this menu.
¨Absolute, range lower limit: Normally is this value zero. It will only differ from zero for differential measurements (see 5.1.12
¨Absolute, range upper limit: It is 120% of the largest end of range from putting into operation. Higher values will not be accepted as end of range values!
90003482(2)
NGA 2000 | 5 - 29 |