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Manual
GA-21Plus
6. GAS BLOCK DIAGRAM
1. Gas inlet
2. Filter
3. Main gas pump
4. Flow control sensor
5. Pressure sensor
6. Electrochemical cells in the main gas channel
7. Check valve
8. Purging pump
9. Electrochemical cell in the secondary gas channel
10. Gas outlet 1
11. Gas outlet 2
12. Differential pressure inlets for the duct's flow velocity measurement
13. Second pressure sensor
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