ABB AO2000 Series - Page 81

AO2000 CONTINUOUS GAS ANALYZERS | OI/AO2000-EN REV. B 81
1
Sample gas inlet
2
Sample gas outlet
3
Purge gas inlet analyzer
3
Purge gas outlet analyzer
5
Reference gas inlet
2)
6
Reference gas outlet
2)
7
Housing purge gas inlet
1)
8
Purge gas outlet housing
1)
(also with flow sensor)
9
Pressure sensor 1
1)
10
Pressure sensor 2
1)
Pneumatic module
1) 2)
:
11
Sample gas inlet
12
Span gas inlet (with 3 solenoid valves)
13
Test gas/zero-point gas inlet (with 1 or 3 solenoid valves)
14
Sample gas outlet – to be connected to sample gas inlet 1
1) Option
2) Not in the version for corrosive sample gas
Design of the gas connections unless stated otherwise:
⅛ NPT female thread for threaded connections (not supplied)
NOTE
The gas connections 1 to 6 in the versions for corrosive sample gas or for
flowing reference gas are of PVC-C. Do not use metal tubing connectors or
adapters!
Additional gas connections, see section "Caldos25, Caldos27, Magnos206:
Version for the 'Safety Concept'" (see page 30).