Yokogawa IR200 - Manual (Page 38)

6 - 3
IM 11G02M01-01E
5. In the “Calibration Concentration Selec-
tion” screen that appears, select any
concentration item you want to set by
pressing the
, key.
Note) Analyzers other than the zirconia
O 2 instrument cannot perform
zero setting.
6. In the “Calibration Concentration Value
Setting” screen that appears, enter calibra-
tion 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 the set values corresponding
to each range. When the O 2 mea-
surement uses atmospheric air for
the zero gas, set the concentration
value to 21.00. When the cylinder
air is used, set to the concentration
value as indicated on the cylinder.
ENT
End of Calibration
Concentration Setting
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
Paramagnetic O
2
, CO
2
, CO,
SO
2
, CH
4
and NO measurement :
Zero gas : Fixed at 0
Span gas : Minimum digit, 1 to 105% of full scale
(Full scale (FS) is the same as each range value.)
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
ENT