Yokogawa IR400 User Manual
Page 58
6 - 19
IM 11G02N01-01E
During auto calibration, any key operation is not permitted other than operations such
as key lock ON/OFF and “Stop Auto Calibration.”
When the key lock is set at ON, even the “Auto Calibration Stop” cannot be used.
To stop “Auto Calibration” forcedly, set the key lock to OFF and then execute
“Auto Calibration Stop.”
Caution
• Zero calibration
Example
In case where setting the auto calibration components (see Item 6.2.4) to
“Ch1: enable” and “Ch2: enable”
A message, “Zero cal.” blinks
at Ch1 and Ch2.
• Ch1 span calibration
A message, “Span cal.” blinks
at Ch1.
• Ch2 span calibration
A message, “Span cal.” blinks
at Ch2.
“Auto Calibration” screen
C h
O
2
0-25
vol%
C h
CO
0-100
ppm
C h
CO
2
0-10
vol%
C h
SO
2
0-100
ppm
C h
NO
X
0-100
ppm
9 0 8
0 0
.
0 0 0
.
.
0 0
.
0 0 0
C h
O
2
0-25
vol%
C h
CO
0-100
ppm
C h
CO
2
0-10
vol%
C h
SO
2
0-100
ppm
C h
NO
X
0-100
ppm
9 5 0
.
0 0
0 0 0
.
.
0 0
.
0 0 0
C h
O
2
0-25
vol%
C h
CO
0-100
ppm
C h
CO
2
0-10
vol%
C h
SO
2
0-100
ppm
C h
NO
X
0-zero100
ppm
0 5
0 3
.
.
0 0 0 0
.
0 0
.
2 1 0 2
.
.
.
ZERO cal.
ZERO cal.
SPAN cal.
SPAN cal.