-
２１
-
2) Auto span adjustment
①
Set the Mode switch at 1 to select
maintenance mode 1.
②
Set the auto span preset value (any number
between 10 and 100) using the Alarm Setting
keys (
△▽
).
③
Confirm that the zero point is at zero and apply
calibration gas to the gas detector for a minute.
④
If peak hold value does not match calibration
gas concentration, press down the Reset key
until the Power lamp goes off.
⑤
The Power lamp lights up again and the peak
hold value is automatically corrected to the
auto span preset value.
⑥
Set the Mode switch at zero to return to normal
mode.
POWER
ALARM
2
1
RESET
BZSTOP
BACKUP
40
POWER
ALARM
2
1
RESET
BZSTOP
BACKUP
40
Auto span
preset
value
POWER
ALARM
2
1
RESET
BZSTOP
BACKUP
40
POWER
ALARM
2
1
RESET
BZSTOP
BACKUP
40
Peak hold
Off
POWER
ALARM
2
1
RESET
BZSTOP
BACKUP
40
On
POWER
ALARM
2
1
RESET
BZSTOP
BACKUP
Make sure there is
no gas around the
gas detector and
check to see if the
indicator reads 0.
