YOKOGAWA MG8G, User Manual, Page: 50 / 63

<10. OTHER FUNCTIONS>
10-1
IM 11P03A03-01E 6th Edition : Jan. 26, 2022-00
10. OTHER FUNCTIONS
10.1 Checking the Temperature of the Constant
Temperature Chamber (Function No. 30)
The temperature (°C) in the sensor unit can be checked in Function No. 30. It is stable at 60 °C
after the instrument entered MEAS mode.
10.2 Checking the Sensor EMF (Function No. 31)
The sensor emf (mV) can be checked in Function No. 31. When the instrument is in a warm-up
period, the DATA display will show “----.“
10.3 Manual Operation of the Solenoid Valves for
Automatic Calibration (Function No. 58)
When wiring and piping for the solenoid valves for automatic calibration have been installed,
each solenoid valve can be operated manually. The DATA display shows oxygen concentrations.
This manual operation can be used for checking readings.
(1) Switch to MAINT mode and enter the password.
(2) Change the Function Number to “58.” The DATA display shows an oxygen concentration.
(3) Press the ZERO key to open the solenoid valve in zero gas line and close the solenoid valve
in sample gas line.
(4) Press the SPAN key to open the solenoid valve in span gas line and close the solenoid
valve in sample gas line.
(5) Change the Function Number to the one other than “58” to close the solenoid valves for
calibration gas lines and open the solenoid valve in sample gas line.
10.4 Checking the Firmware Version (Function
No. 98)
The version of the firmware installed on the instrument can be checked in Function No. 98.
10.5 Initializing Parameters (Function No. 99)
The instrument can be initialized to the factory default settings which are summarized in Table
xxxx.
(1) Switch to MAINT mode and enter the password.
(2) Change the Function Number to “99.” The DATA display shows “rES.”
(3) Press the EXEC key. This has not yet changed the settings.
(4) Turn the power off and on again. Now the instrument has been initialized to the factory
default settings.