3-34 | Model 900 ADA / Model 930 Sulfur Pit Analyzers
9. Purged Analyzers Only:
Return the Purge Bypass Switch to the “ACTIVE” position and re-
move the key (follow company policy).
10. Allow the analyzer to warm up to operating temperature and stabilize
(approximately two hours). When the analyzer is at operating tem-
perature, open the Vent Valve on the ASR900 Sample Probe and then
open its Sample Valve to allow sample gas into the analyzer sample
system.
The ASR Sample Probe will be hot. Take precautions to avoid burning
yourself.
11. Manually Zero the analyzer.
12. Adjust the Aspirator Drive Air Regulator to achieve normal operating
flow rates.
!
WARNING
See “Manually Zeroing
the Analyzer” in this chapter.
See “Setting the
Sample Gas Flow Rate and
Sample Response Time” in
this chapter.
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