27
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6.2.3 Setting of calibration range
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Note
Zero point for O
2
measure-
ment is calibrated to 21% at
zero calibration, because this
gas analyzer uses air as zero
gas.
When setting CH
4
and O
2
to “both”
Two cursors will appear in both ranges (Ch1 and Ch4).
Manual Calibration screen
( )
ENT
End of Calibration Range Setting
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To close “Setting of Calibration Range” or to cancel this mode midway, press the key.
A previous screen will return.
To close “Setting of Calibration Range”
ESC
Ch1
CH
4
Ch2
CO
2
Range 1: 0 to 20 vol%
Range 2: 0 to 100 vol%
Range 1: 0 to 20 vol%
Range 2: 0 to 100 vol%
both
current
Ch1: Range 1 and Range 2 are calibrated together.
Ch2: Only currently displayed range is calibrated.
Example
Cell. Settings
Cell. Range
Range1
Range2
0–20.00
vol%
0–100.0
vol%
Range1
Range2
0–20.00
vol%
0–100.0
vol%
Range1
Range2
0–500.0
ppm
0–2000
ppm
Ch1
CH
4
Ch2
CO
2
H
2
S
Ch3
Range1
Range2
0–10.00
vol%
0–25.00
vol%
O
2
Ch4
Set calibration range
current or both range
both
current
current
both
ZERO Call.
Range1
Range2
0–20.00
vol%
0–100.0
vol%
Range1
Range2
0–20.00
vol%
0–100.0
vol%
Range1
Range2
0–500.0
ppm
0–2000
ppm
Ch1
CH
4
Ch2
CO
2
H
2
S
Ch3
Range1
Range2
0–10.00
vol%
0–25.00
vol%
O
2
Ch4
ENT : Go on Calibration
of selected Ch
ESC : Not calibration
-0.6
0.4
0.00
-0.1
