Yokogawa Single Channel Oxygen Analyzer System ZR22/ZR402 - Manual (Page 147)

IM 11M12A01-03E 9-11
9. Calibration
9.2.3.3Automatic Calibration
No execution operations are required for automatic calibration. Automatic calibration
starts in accordance with a preset start day and time. Calibration is then executed at
preset intervals.
CAUTION
Before conducting a semi-automatic or automatic calibration, run the automatic calibra-
tion unit beforehand to obtain a calibration flow of 600
±
60 ml/min.