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Figure 11 Flow chamber connections
1 Measuring
2 Calibration
3 Sensor
4 Calibration gas in shut off
5 Calibration gas out shut off
6 Sample flow in
3.3.7 Multi-parameter flow chamber
The ORBISPHERE 32002.xxx multi parameter flow chamber can accommodate one or two sensors
and one sample pressure sensor. If only one gas sensor is used, the unused socket is plugged with
the stainless steel plugs provided (model 28123). The flow chamber is connected to 6 mm or ¼"
stainless steel tubing by two Swagelok
permeability can be substituted.
Note: The multi-parameter flow chamber is suitable only for gaseous media.
The flow chamber should be mounted in such a way that the sample outlet port is located at the
lowest point to allow condensation to escape with the outgoing gas. Attach the flow chamber to a
vertical support with the screws supplied. The pressure sensor must be on top.
Note: A user manufactured spacer (~15 mm thick) may be used between the flow chamber and support for
improved access for sensor removal.
7 Sample flow out
8 Calibration gas in
9 Calibration gas out
10 Sample flow in shut off
11 Sample flow out shut off
™
fittings. If necessary, copper or plastic tubing with a very low
English 19
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