GasAlertMicro 5/PID/IR
User Manual
30
%Vol CH
4
(LEL Sensors Only) Correction Factor (CF)
Depending upon the selected sensor, refer to the following sections
LEL Sensor
or PID Sensor for more information.
Note
Corrections factors are not applicable to CO
2
sensors.
If %vol CH
4
is enabled, any currently
enabled correction factor is ignored and
the detector operates assuming a
methane (CH
4
) calibration.
From the Sensors menu, select LEL and
press C to confirm.
Next, press H to scroll to %vol CH
4
and
press C within 20 seconds to confirm.
Press C to toggle between enable and
disable.
Confirmation is not required. If no buttons
are pushed within 20 seconds, the
detector returns to the sensor selection
screen. The change is saved
automatically.
Note
If changing the measurement unit
from % LEL to % Vol. or from % Vol.
to % LEL, a calibration must be com-
pleted and the alarm setpoints
changed. For calibration information
and for alarm setpoint information
refer to
Calibration and Setting Alarm
Setpoints on page 48.
The detector is shipped with %vol CH
4
disabled.
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