Crowcon IRmax IR Fixed Gas Monitor


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The Crowcon IRmax is an ultra compact infrared (IR) fixed gas monitor, that delivers rapid, failsafe detection of hydrocarbon gases and vapours. The Crowcon IRmax Gas Detection system offers the choice of a stand-alone detector, a local gas/status display, a remote gas/status display or non-intrusive calibration via an I.S. calibration tool or hand-held HART communicator.

The reliability of the Crowcon IRmax hydrocarbon detector has been proven in hot, cold, wet and saline environments, making it ideal for offshore use.

Acetone (C3H6O)Pentane (C5H12)Paraxylene (C8H10)0-100% LEL
Butane (C4H10)Petrol vapourEthane (C2H6)0-100% LEL
Ethanol (C2H5OH)Propane (C3H8)Ethylene dichloride (EDC)0-100% LEL
Ethylene (C2H4)Propylene (C3H6)Cyclohexane (C6H12)0-100% LEL
Ethyl acetate (C4H8O2)THF (Tetrahydrofuran) (C4H8O)Butadiene (C4H6)0-100% LEL
Heptane (C7H16)Xylene (C8H10)Toluene (C7H8)0-100% LEL
Hexane (C6H14)Methyl acetate (C3H6O2)Butene (C4H8)0-100% LEL
LPGPropylacetate (C5H10O2)Methyl Ethyl Ketone (MEK)0-100% LEL
Methanol (CH3OH)Hexene (C6H12)Isopropanol (IPA)0-100% LEL
Methane (CH4)0-50, 100% LEL

Additional information


Fixed display, No display

Gas Type

Infrared Butane 0-100% LEL, Infrared Ethylene 0-100% LEL, Infrared Hexane 0-100% LEL, Infrared Methane 0-100% LEL, Infrared Methanol 0-100% LEL, Infrared Propane 0-100% LEL


HART disabled, HART enabled, HART/RS485 disabled, RS485 enabled