3
Table of Contents
Signal Words .......................................................................................4
Warnings..............................................................................................4
1. Overview of Dilution Monitoring...............................................6
1.1 Theory.....................................................................................................6
2. Operation in dilution mode .......................................................6
2.1 Start up procedure in dilution mode ....................................................6
2.2 Enabling the dilution option..................................................................7
2.2.1 Conventional entry to dilution mode.................................................................7
2.2.2 Shortcut to dilution mode .................................................................................8
2.3 Alarm changes in dilution mode...........................................................8
3. Calibration in dilution mode......................................................9
3.1 Calibration frequency recommendations: dilution .............................9
3.2 Automatic calibration in dilution mode..............................................10
3.2.1 Reading “Too High” or “Too Low” for zero adjust...........................................13
3.2.2 Automatic span calibration with more than one gas cylinder .........................13
3.3 Manual dilution calibration procedures ............................................. 14
3.3.1 Fresh air calibration in dilution mode .............................................................14
3.3.2 O2 zero calibration in dilution mode...............................................................14
3.3.3 Manual span calibration in dilution mode.......................................................16
3.3.4 Dilution fresh air calibration............................................................................17
3.3.5 Dilution span calibration.................................................................................18
Appendix A: Calibration Frequency ................................................20
Sperian Standard Warranty Gas Detection Products ....................21
(36 paginas)
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