Pneumatic Connections: Ambient Air Monitoring In Remote Locations; Figure 2-17. Gas Line Connections When The T400 Analyzer Is Monitoring A Remote Location - Teledyne T400 User Manual

2.3.2.5 PNEUMATIC CONNECTIONS: AMBIENT AIR MONITORING IN REMOTE LOCATIONS

In this application it is often preferred that the Sample gas and the source gas for the O
generator and internal zero air be the same chemical composition.
LOCATION
BEING
MONITORED

Figure 2-17. Gas Line Connections when the T400 Analyzer is Monitoring a Remote Location

S G
AMPLE
Attach a sample inlet line leading from the room being monitored to the SAMPLE inlet
fitting.
D A S
RY IR
Attach a gas line leading from the room being monitored to the DRY AIR inlet port. This
can be a separate line or, as shown above (Figure 2-17) in the same line with a T-fitting.
E
XHAUST
No outlet line is required for the exhaust port of the instrument.
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.
083730400A DCN8130
Maximum 15 ft. in length
S
AS OURCE
OURCE
O
UTLET
Teledyne API – Model T400 O
SAMPLE
EXHAUST
Instrument Chassis
SPAN
(with IZS installed)
ZERO AIR
DRY AIR
Analyzer
3
3
45