P
NEUMATIC
SAMPLE
GAS
INLET
ZERO/SPAN
VALVE
ZERO GAS
INLET
IZS OPTION w/
DESORBER
DRY AIR
OUTLET
Ex ha ust
Outlet
PUMP
Figure 2-27. Pneumatics with the Internal Span Gas Generator Option (OPT 50G)
MODE
SAMPLE
ZERO CAL
SPAN CAL
083730200A DCN7962
F
Z
S
LOW FOR
ERO
CRUBBER AND
SAMPLE/ CAL
VALVE
NO
COM
NC
IZS Permeation
COM
DESORBER
NC
Source
NO
Filter
Table 2-9. IZS Valve Option Operating States (OPT 50G)
VALVE
Sample/Cal
Open to SAMPLE inlet
Zero/Span
Open to ZERO AIR inlet
Sample/Cal
Open to ZERO/SPAN valve
Zero/Span
Open to ZERO AIR inlet
Sample/Cal
Open to ZERO/SPAN valve
Zero/Span
Open to SPAN inlet
Teledyne API T200 NO/NO
IZS (OPT 50G)
NO/NO
X
VALVE
NO
COM
NC
NO
2
Converter
AUTOZERO
VALVE
COM
NC
NO
Orifice Dia.
0.010"
Orifice Dia.
0.010"
Orifice Dia.
0.003"
PMT
Orifice Dia.
0.004"
NAFION DRYER
VALVE PORT
CONDITION
NO à COM
NO à COM
NC à COM
NO à COM
NC à COM
NC à COM
/NO
Analyzer with NumaView™ Software
2
x
FLOW PRESSURE
SENSOR PCA
SAMPL E
VACUUM
PRESS URE
PRESS URE
SENSO R
SENSO R
O
FLOW
3
SENSO R
O
O
3
3
GENERATOR
Cle ans er
Orifice Dia.
0.004"
O
3
Destruct
INSTRUMENT CHASSIS
STATUS
51