Relative Responses Of Gas Types - Crowcon IRmax Installations-, Bedienungs- Und Wartungsanleitung

3.4 Relative responses of gas types

The graph below shows the relative responses to other gas types for an IRmax calibrated
on methane.
Note: Pentane, butane, propane and ethane all have greater responses from IRmax
than methane. The output signal will be linear to represent 0-100% LEL for the
target gas (i.e. methane in this example). Response to other gases will be non-linear.
Diagram 8
The diagram shows the approximate response of the gases mentioned above: from left to
right, propane, butane, pentane and methane.
Other gas types and ranges are available. Please contact Crowcon for further details.
3. Operation 3. Operation
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