Table 3-9: Valve Operating States Opt 50B Installed - Teledyne T200 Operation Manual

Getting Started
3.3.2.5. ZERO SCRUBBER AND INTERNAL SPAN SOURCE (IZS) (OPT 50G)
60
Teledyne API – T200 NO/NO
Table 3-9: Valve Operating States OPT 50B installed
MODE VALVE
Sample/Cal
Zero/Span
SAMPLE
Span Shutoff
Zero Air Shutoff
Sample/Cal
Zero/Span
ZERO CAL
Span Shutoff
Zero Air Shutoff
Sample/Cal
Zero/Span
SPAN CAL
Span Shutoff
Zero Air Shutoff
The internal NO span gas generator and calibration valve option is intended for
2
applications where there is a need for frequent automated calibration checks without
access to an external source of span gas.
This valve package includes:

a 2-stage external scrubber for producing zero air
50% Purafil Chemisorbant

50% charcoal (for removal of the NO


a heated enclosure for a NO
This option package DOES NOT contain an actual permeation tube. See

Table 1-1 for information on specifying the correct permeation tube for each
application.

a special desorber that removes all HNO

one additional gas inlet port (ZERO AIR)

one additional gas outlet port (FROM DRYER)

two internal valves for switching between the sample gas inlet and the output of the
zero/span subsystem
/NO
2
CONDITION
Open to SAMPLE inlet
Open to ZERO AIR inlet
Closed
Closed
Open to ZERO/SPAN Valve
Open to ZERO AIR inlet
OPEN
1
Closed
Open to ZERO/SPAN Valve
Open to SPAN inlet
Closed
OPEN
®
(for conversion of NO NO
)
2
permeation tube
2
from the calibration gas stream
3
Analyzer Operation Manual
X
VALVE PORT
STATUS
NO  COM
NO  COM
NC  COM
NO  COM
NC  COM
NC  COM
)
2
06858E DCN7057