Zero Scrubber And Internal Span Source (Izs) (Opt 50G); Figure 2-21. Rear Panel Layout With Internal Span Source (Izs) (Opt 50G) - Teledyne T200 User Manual

ZERO SCRUBBER AND INTERNAL SPAN SOURCE (IZS) (OPT 50G)

The internal NO
applications where there is a need for frequent automated calibration checks without access
to an external source of span gas. (See the end of this subsection for important information
about "Internal Span Gas Generation").
This valve package includes:
a 2-stage external scrubber for producing zero air
•
• 50% Purafil Chemisorbant® (for conversion of NO àNO2)
• 50% charcoal (for removal of the NO
• a heated enclosure for an NO
NOT contain an actual permeation tube. Contact Sales for assistance in
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

Figure 2-21. Rear Panel Layout with Internal Span Source (IZS) (OPT 50G)

44 Teledyne API T200 NO/NO
span gas generator and calibration valve option is intended for
2
permeation tube (This option package DOES
2
/NO Analyzer with NumaView™ Software
2 x
)
2
from the calibration gas stream
3
083730200A DCN7962