ABB Endura AZ20 series

Endura AZ20 series probe
Combustion oxygen monitor 4 Connections
IM/AZ20P–EN Rev. G 25
4.4.8 Internal Test Gas and Reference Air Tubes
Fig. 4.9 Internal Test Gas and Reference Air Tubes –
Non-AutoCal
ACJC
Reference
Air Tube
Test Gas Tube
to Sensor
Fig. 4.10 Internal Test Gas and Reference Air Tubes –
AutoCal Fitted
ACJC
Tes t
Gas 1
Reference
Air Tube
Test Gas Tube
to Sensor
Tes t
Gas 2