Yokogawa IR200 User Manual
Page 40
6 - 5
IM 11G02M01-01E
(5) On the “Gas Selection” screen that
appears, select “with” or “without” of
moisture content in calibration gas using
the
or the
key.
• Select “with” to have the calibration gas
contain a certain amount of moisture.
• Select “without” to use dry gas (moisture
content: saturated at 70
°
C or lower) such
as cylinder gas as calibration gas.
• When “without” is selected for zero gas,
“with” cannot be selected for span gas.
After the selection is made, press the
ENT
key.
To terminate or cancel calibration gas setting,
press the key.
The previous screen appears again.
To close the setting
ESC
Note: Be sure to make the setting according to the sampling system created. We recommend
you to select “with” moisture in zero gas for the measurement of NO and SO
2
. In this
case, be sure to perform bubbling (humidification) of zero gas to make its moisture
content kept at constant level before feeding the gas. (See “(7) Example of sampling
system configuration” in “3.4 Sampling system.”)
(
)
ENT
End of Calibration gas
Setting