
Model 300E Carbon Monoxide Analyzer
Instruction Manual
Optional Hardware and Software
P/N 04288 REV: A
47
Table 5–1: Valve Option Operating States
OPTION MODE VALVE
CONDITION
Sample/Cal
Open to SAMPLE inlet
Zero/Span
Open to IZS inlet
SAMPLE
Shutoff Closed
Sample/Cal
Open to ZERO/SPAN Valve
Zero/Span
Open to IZS inlet
ZERO CAL
Shutoff Closed
Sample/Cal
Open to ZERO/SPAN Valve
Zero/Span
Open to SHUTOFF Valve
50
SPAN CAL
Shutoff
Open to PRESSURE SPAN Inlet
Sample/Cal
Open to SAMPLE inlet
Zero/Span
Open to ZERO AIR SCRUBBER
SAMPLE
Shutoff Closed
Sample/Cal
Open to ZERO/SPAN Valve
Zero/Span
Open to ZERO AIR SCRUBBER
ZERO CAL
Shutoff Closed
Sample/Cal
Open to ZERO/SPAN Valve
Zero/Span
Open to SHUTOFF Valve
51
SPAN CAL
Shutoff
Open to PRESSURE SPAN Inlet
Sample/Cal
Open to SAMPLE inlet
SAMPLE
Zero/Span
Open to IZS inlet
Sample/Cal
Open to ZERO/SPAN Valve
ZERO CAL
Zero/Span
Open to IZS inlet
Sample/Cal
Open to ZERO/SPAN Valve
52
SPAN CAL
Zero/Span
Open to PRESSURE SPAN inlet
Sample/Cal
Open to SAMPLE inlet
SAMPLE
Zero/Span
Open to ZERO AIR SCRUBBER
Sample/Cal
Open to ZERO/SPAN Valve
ZERO CAL
Zero/Span
Open to ZERO AIR SCRUBBER
Sample/Cal
Open to ZERO/SPAN Valve
53
SPAN CAL
Zero/Span
Open to PRESSURE SPAN inlet