Endress+Hauser SpectraSensors OXY5500, Руководство по эксплуатации

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OXY5500 Optical Oxygen Analyzer BA02195C
4
–
40 Hauser
6. Close the cylinder valve and crack the dual stage pressure regulator
outlet valve. Allow the gas to discharge until both the primary and
secondary regulator pressure gases approach zero.
7. Close the dual stage pressure regulator outlet valve prior to
releasing the last amount of gas pressure.
8. Repeat steps 1 to 7 fifteen (15) times for each regulator.
9. Open the cylinder valve and ensure the regulator is set to 200 KPaG
(30 PSIG).
10. Open the dual stage pressure regulator outlet valve fully. Ensure
there are no restrictions on the sample return that may cause back
pressure during the purge cycle.
Performing a manual calibration (calibration using sensor values)
If the sensor was not previously calibrated with the analyzer (e.g., sensor
replacement), the calibration can be set by simply entering the values from the
Calibration Certificate provided with the analyzer, without the need for
calibration gases. Refer to the sample certificate in Figure 4–34. However,
calibrating with gases is more accurate because it accounts for variability in the
specific installation. To calibrate with gas, refer to “Performing a two-point
calibration” on page 4 - 41.
For best results, discharge the regulator as much as possible
without releasing all of the pressure on each purge cycle.