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1. Introduction ............................................................................. 5
2. Measuring principle ................................................................ 5
3. Operating the analyzer ........................................................... 6
4. Measuring O2 and He concentration ..................................... 6
4.1 Display modes ..........................................................................................7
4.2 Calibration of the oxygen sensor ..............................................................9
5. Other functions ..................................................................... 10
5.1 Monitoring of continuous filling................................................................10
5.2 Gas mixing solver ...................................................................................10
5.2.1 Example...............................................................................................11
5.3 Gas mixing simulation.............................................................................12
5.4 Voltage measuring ..................................................................................12
5.5 Resistance measuring ............................................................................12
6. Specific accessories............................................................. 13
6.1 Pressure measuring................................................................................13
6.2 Emergency disconnection of filling station ..............................................13
7. Maintenance .......................................................................... 14
7.1 Battery replacement................................................................................14
7.2 Changing the oxygen sensor ..................................................................15
7.3 Flow adjusting.........................................................................................16
7.4 Disassembling the instrument.................................................................17
8. Connecting to a computer.................................................... 18
9. Defects and their removal .................................................... 18
9.1 Error messages ......................................................................................18
9.2 Instrument malfunctions..........................................................................20
10. Technical data ..................................................................... 21
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