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A Z10 OX YG E N A N A LY ZE R
| CO M B US T I O N G A S A N A LY S I S | O I/A Z 10 - EN R E V. A
25
Test gas supply configurations – non-AutoCal systems
NOTICE
• If using the ABB-supplied test gas port with standard
filter option, the test gas supply must be 3 to 3.5 l/min
(6.354 to 7.413 scfh).
• Test gas can be connected to the supplied sensor test gas
connection or via optional AZ10 Autocal unit.
• If using customer’s manifold, flows may differ from values
shown below.
System using air as test gas 1 and bottled gas
as (optional) test gas 2
Figure 22 Test gas supply, non-AutoCal system –
air (test gas 1) and optional bottled gas (test gas 2)
System using 2 bottled test gases
Figure 23 Test gas supply, non-AutoCal system –
2 bottled test gases
AZ10 probe
Shut-off valve
5 μm/oil
coalescing
filter regulator
Clean dry oil-free instrument air
INPUT
: 10 bar (145 psi) max.
OUTPUT
: 1 bar (15 psi) max.
Test gas supply –
3 l/min (6.354 scfh)
ABB flowmeter
adjusted to 3 l/min
(6.354 scfh) STP
Test gas 2 (optional)/
bottled gas adjusted
to 1 bar (15 psi) output
3-way
valve
AZ10 probe
Shut-off valve
Test gas supply –
3 l/min (6.354 scfh)
ABB flowmeter
adjusted to 3 l/min
(6.354 scfh) STP
Test gas 1/bottled gas
adjusted to 1 bar (15 psi)
output
3-way
valve
Test gas 2 (optional)/
bottled gas adjusted
to 1 bar (15 psi) output