GasAlertMicro 5/PID/IR
User Manual
30
Automatic Oxygen (O
2
) Calibration Logger Option
The Logger option is used to define how often the detector records a 
datalog sample (once every 1 to 127 seconds).
From the user options menu, press H to scroll to Logger. Press C 
within 20 seconds to confirm.
Press G or H to change the current logger rate. When the desired 
value displays, press C within 5 seconds to confirm the new value.
When the Autocal option is enabled, it 
forces the detector to automatically 
calibrate the oxygen sensor during 
startup.
If the Autocal option is enabled, ensure 
the detector is activated in a safe area 
that is free of hazardous gas in an 
atmosphere of 20.9% oxygen.
From the Sensor menu, press H to scroll 
to O
2
 and press C within 20 seconds to 
confirm. 
Press H to scroll to Autocal. Press C 
to toggle between enable/disable.
The detector is shipped with the Autocal 
option enabled.