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Model 9110TH NOx Analyzer Getting Started
Teledyne Analytical Instruments 65
Figure 3-22: Pneumatics with Zero/Span Valves OPT 50A
Table 3-9: Zero/Span Valves Operating States OPT 50A
MODE VALVE CONDITION
VALVE PORT
STATUS
SAMPLE
Sample/Cal Open to SAMPLE inlet
3 2
Zero/Span Open to ZERO AIR inlet
3 2
ZERO CAL
Sample/Cal Open to ZERO/SPAN Valve
1 2
Zero/Span Open to ZERO AIR inlet
3 2
SPAN CAL
Sample/Cal Open to ZERO/SPAN Valve
1 2
Zero/Span Open to SPAN inlet
1 2