5. Usage Instrucions 5-5. Measuring gas concentration
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5-5. Measuring gas concentration
The product automatically returns to measurement mode once air calibration has been successfully completed to
measure the gas concentration.
The gas concentration will appear on the LCD display when measurement is complete.
If the gas concentration detected reaches the alarm setpoint at this time, a gas alarm is triggered. (Refer to ‘4-2. Gas
alarm activation’.)
[O2] (oxygen) gas
concentration
display
[CO] (carbon monoxide) gas
concentration display
Upper row: [CO] (carbon monoxide) gas
concentration display
Middle row: [O2] (oxygen) gas concentration
display
WARNING
A gas alarm indicates the presence of extreme danger. The user must take appropriate action after taking
appropriate steps to ensure safety.
Do not block the buzzer sound opening. Doing so will muffle or silence the audible warning.
OX G
OX CO HS C-
C
SO2
NO2 HCN