3 calibration procedure – span calibration – KANOMAX 2211 Handheld IAQ Monitor User Manual
Page 46

41
Calibration result is NG
If [END] is displayed, the valve of regulator will be closed and
Gas will be stopped.
※
If [2.SAVE INFO] will not be able to be selected, the result is
NG.
Select [YES] to retry the calibration.
Press
to open MENU screen.
※
If [--ERR--] is displayed, please check,
return to MENU for retrying the calibration.
8.3 Calibration Procedure – SPAN Calibration
Display
Procedure
Connect Span gas to IAQ Monitor.
Press
Use
to select [7.CALIBRATION].
Press
.
Use
to select the sensor for calibration (1.CO2 or
2.CO).
Press
. (CO2 is selected in the example)
To start SPAN gas calibration:
Use
to select [SPAN], press
……The value after calibration
Operation
…………………Calibration is completed
…………………Calibration Result
R
R
e
e
s
s
u
u
l
l
t
t
o
o
f
f
Z
Z
E
E
R
R
O
O
C
C
a
a
l
l
i
i
b
b
r
r
a
a
t
t
i
i
o
o
n
n
:
:
C
C
O
O
2
2
c
c
a
a
l
l
i
i
b
b
r
r
a
a
t
t
i
i
o
o
n
n
f
f
a
a
i
i
l
l
s
s
w
w
h
h
e
e
n
n
…
…
- CO2 concentration maintains above
200ppm for more than 30 seconds.
- Calibration value does not fall within
100ppm of pre-calibration value,
which is taken 20 second before
calibration.