ABB AO2000 Series - ZO23: Check of the End Point and Reference Point

AO2000 CONTINUOUS GAS ANALYZERS | OI/AO2000-EN REV. B 263
ZO23: Check of the end point and reference point
NOTE
Information for test gases can be found in the section "ZO23: Preparation
for installation" (see page 67).
Check of the end point
It is recommended that the end point is checked approx. 4 weeks after
start-up.
Further checks of the end point should be carried out as required.
Check of the reference point
It is recommended that the reference point is checked once a year or as
required.