Yokogawa IR400 - Manual (Page 43)

6 - 4
IM 11G02N01-01E
ENT
End of Calibration
Concentration Setting
NOx, SO 2 , CO 2, CO, CH 4 , external O 2
measurement and buit-in paramagnetic O 2
sensor
Span gas: 1 to 105% of full scale
(Full scale (FS) is the same as each range
value.)
External Zirconia O 2 measurement
The setting cannot be performed beyond the range.
Zero gas: 5 to 25 vol%
Span gas: 0.01 to 5 vol%
Setting range of values
Cursor for setting value
(5) In the “Calibration Concentration Selection”
screen that appears, select any concentration
item you want to set by pressing the
,
key.
Then press the
ENT
key, and the selected
value is highlighted.
(6) In the “Calibration Concentration Value
Setting” screen that appears, enter calibration
gas concentration values (zero and span).
For value entry, press the
or key, and
a 1-digit value increases or decreases. By
pressing the , the digit moves.
After setting, save the entry by pressing the
ENT
key. The saved value becomes valid
from the next calibration process.
Note) Enter settings that correspond to each
range. If zirconia type is used as O
2
sensor, select 21.00 for the field of Zero
(when air is used), and select the
concentration listed on the cylinder if the
air contained in a cylinder is used.
To close the calibration concentration value
setting process or cancel this mode midway,
press the key.
A previous screen will return.
To close the setting
ESC
ENT