PROGRAMMING & CALIBRATION
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select or de-select the desired sensors, as indicated by an
asterisk (*) next to all enabled sensor names.
3.6.3. Change LEL Gas Selection
This function allows selection of the measurement gas for the
LEL sensor. The correction factor for this gas is automatically
be divided by the correction factor for the span gas selected
previously, to obtain a new factor for the combination of gases.
The new factor is applied to the readings to obtain a true
concentration.
Enter the Change LEL Gas menu using the keystroke
procedures in Table 5. When the question “LEL Gas = ?
Methane” appears, press
[N/-]
to change the gas and then use
the
[Y/+]
and
[N/-]
keys to scroll through a library of gas names
until the desired gas appears. Press
[MODE]
to save the
selected gas. The monitor then prompts the user to modify the
correction factor if it is incorrect. If the desired gas is not in the
library, custom correction factor can be selected from the list
and then the factor adjusted. See the Long Form Manual for
complete procedures.
