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Emerson Process Management GmbH & Co. OHG3-12
X-STREAM XE
Instruction Manual
HASXEE-IM-HS
04/2010
3.3.2 Technical Implementation
A block made of stainless steel contains two
gas paths. Both, the volume of the block and
the mass of the sensors have been minimi-
zed in order to obtain short response times.
To suppress inuences by changing ambient
temperature the block is thermostatted and
isolated against ambience.
The sensors are fully glass packaged to with-
stand aggressive gases.
Fig. 3-9: TC Cell, Exterior View ,
Thermal Isolation Removed
1 Sensor
2 Sample gas inlet and outlet
3 Reference side inlet and outlet
4 Metal block
5 Heater for thermostatting
Fig. 3-10: TC Cell, Sectional View
1 Internal gas path
2 Sample gas inlet and outlet
3 PT 100 sensors
4 Metal block
5 Lid
3.3 Thermal Conductivity Measurement
1
2
3
4 5
1 3 4 52