28 AZ10 OXYGEN ANALYZER | COMBUSTION GAS ANALYSIS | OI/AZ10-EN REV. A
…8 Test gas connections
Test gas and reference air supply configurations – AutoCal systems without restrictors
System using air as test gas 1 and bottled gas as
(optional) test gas 2
Figure 27 Test gas supply, AutoCal system without restrictors –
air (test gas 1) and optional bottled gas (test gas 2)
System using 2 bottled test gases
Figure 28 Test gas supply, AutoCal system without restrictors –
2 bottled test gases
AZ10 probe
AZ10 AutoCal unit
Test gas 1
ABB flowmeter adjusted
ABB flowmeter adjusted
coalescing
filter regulator
Clean dry oil-free instrument air
INPUT
OUTPUT
Non-return
valve
Test gas port
TG1
TG2
Non-return
valve
Test gas port
AZ10 probe
AZ10 AutoCal unit
Test gas 1/bottled gas adjusted
ABB flowmeter adjusted
ABB flowmeter adjusted
TG1
TG2
Test gas 1
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