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SCC-U UTILITY UNIT | OI/SCC-U-EN REV. B
Gas connections
1 Outlet to sample gas cooler (standard)
2 Sample gas inlet (standard)
3 Outlet to gas sampling probe (option)
Figure 7: Gas connections on the rear panel
Sample gas inlet conditions
The sample gas must be non-corrosive, non-flammable and non-
toxic. The utility unit has one gas path.
Sample gas pressure
p
= 70 to 105 kPa (0.7 to 1.05 bar)
abs
Test gas pressure
p
≤ 200 kPa (2 bar)
abs
Note
If gas pressures > 250 kPa are expected, a suitable external
pressure reducer must be connected upstream.
Sample gas flow rate
•
70 l/h with SCC-S
•
100 l/h with SCC-C and SCC-F
Sample gas inlet temperature
10 to 50 °C
Note
The relevant data in the gas analyzer data sheets must be
considered as well for the sample handling components.
1
2
4
5
6
4 Test gas inlet 1 (option)
5 Test gas inlet 2 (option)
6 Test gas inlet 3 (option)
Gas connections
The gas connections are PVDF fittings for DN 4 / 6 mm tube.
Connecting the gas lines
•
Use gas lines made from material that is suited to the
measuring task.
•
Connect the gas lines to the gas inlet and outlet fittings on
the rear panel.
7
F00233
11
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