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INTRODUCTIONUSER HANDBOOK
Note 1: This instrument is calibrated for Methane (CH
4
)
ammable gas.
PPM & LEL ranges, although calibrated for CH
4
, will
respond to other ammable gases but will only detect
CH
4
accurately.
Avoid exposing the VOL gas range to ammable gases
other than CH
4
as this can cause a zero shift on all
ammable ranges that may eventually result in a fault
alarm.
Note 2: Some sensors respond to gases other than the target
gas. Typically, this cross response is not enough to result
in operational problems, however, should you have any
concerns, please contact GMI.
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