Yokogawa Integral Oxygen Analyzer ZR202 - Manual (Page 85)

IM 11M13A01-04E 7-21
7. Startup
7.10.2 Manual Calibration
The following describes how to conduct a calibration.
7.10.2.1 Preliminary
Before conducting a manual calibration, be sure that the ZA8F Flow Setting Unit zero-
gas flow valve is fully closed. Open the zero-gas cylinder pressure regulator so that the
secondary pressure will be a measurement gas plus approx. 70 kPa (to be 300 kPa
maximum ).