94 AO2000 CONTINUOUS GAS ANALYZERS | OI/AO2000-EN REV. B
1
Pressure sensor for external pressure measurement
1)
2
–
3
Sample gas inlet A or B or C gas path 1
4
Sample gas outlet A or C gas path 1
5
Purge gas inlet for housing
1)
6
Purge gas inlet for housing
1)
(also with flow sensor)
7
Sample gas inlet C gas path 2
1)
8
Sample gas outlet B or C gas path 2
1)
9
Reference gas inlet for sample cell 1
1)
10
Reference gas outlet for sample cell 1
1)
Pneumatics module
1)
:
11
Sample gas inlet A or B or C gas path 1
12
Span gas inlet (with 3 solenoid valves)
or sample gas inlet C gas path 2 (only with flow sensor)
13
Test gas/zero-point gas inlet (with 1 or 3 solenoid valves)
or sample gas outlet C gas path 2 (only with flow sensor) – in this case
to be connected to sample gas inlet 7
14
Sample gas outlet A or B or C gas path 1 – to be connected to sample
gas inlet 3
1) Option
Design of the gas connections unless stated otherwise:
â…› NPT female thread for threaded connections (not supplied)
Additional gas connections, see section "Uras26: Version for the 'Safety
Concept'" (see page 28).
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