Teledyne T400 User Manual page 42

For the Model T400 photometric ozone analyzer in its basic configuration (i.e. without
the optional internal zero air source or valves), attach the following pneumatic lines:
S G
AMPLE
Attach a sample inlet line to the SAMPLE inlet port.
Sample Gas pressure must equal ambient atmospheric pressure (1.0 psig)
•
• In applications where the sample gas is received from a pressurized manifold, a vent must
be placed on the sample gas line. This vent line must be:
• At least 0.2m long
• No more than 2m long
• Vented outside the shelter or immediate area surrounding the instrument
C
ALIBRATION
The source of calibration gas is also attached to the SAMPLE inlet, but only when a
calibration operation is actually being performed.
E
XHAUST
Attach an exhaust line to the analyzer's EXHAUST outlet fitting. The exhaust line
should be:
• PTFE tubing; minimum O.D ¼";
A maximum of 10 meters long;
•
Vented outside the analyzer's enclosure.
•
L C
EAK HECK
Once the appropriate pneumatic connections have been made, check all pneumatic
fittings for leaks using the procedures defined in Section 5.6.3.
40
S
AS OURCE
G S
AS OURCES
O
UTLET
Teledyne API – Model T400 O Analyzer 083730400A DCN8130
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