Critical Environment Technologies

    Gas Detection Guide

    Explore our comprehensive guide to gases we detect, including health effects, common sources, and recommended detection solutions.

    46 gases

    Asphyxiants

    Detection solutions for simple asphyxiants including nitrogen, carbon dioxide, helium, and argon. Monitor oxygen levels to prevent suffocation in confined spaces.

    Traditional Refrigerants

    Detection solutions for HFC, HCFC, and CFC refrigerants including R-410A, R-134a, R-22, and refrigerant blends. Comply with EPA regulations and protect occupants.

    CHClF₂

    R-22

    HCFC refrigerant being phased out under Montreal Protocol

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    CHCl₂CF₃

    R-123

    Low-pressure centrifugal chiller refrigerant

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    HFO-1336mz…

    R-514A

    B2L low-pressure chiller refrigerant

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    C₂H₃F₃

    R-143a

    HFC blend component refrigerant

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    C₃HF₇

    R-227ea

    HFC used in fire suppression and chillers

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    R125/R143a…

    R-404A

    Commercial refrigeration HFC blend

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    R32/R125/R…

    R-407A

    R-22 replacement for AC systems

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    R32/R125/R…

    R-407C

    Common R-22 retrofit refrigerant

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    R32/R125/R…

    R-407F

    Low/medium temperature refrigerant

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    R125/R134a…

    R-417A

    Drop-in R-22 replacement blend

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    R125/R134a…

    R-422A

    R-22 replacement for DX systems

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    R125/R134a…

    R-422D

    R-22 retrofit refrigerant blend

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    R32/R125/R…

    R-427A

    Multi-purpose R-22 replacement

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    R125/R143a…

    R-434A

    Water chiller refrigerant blend

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    R32/R125/R…

    R-438A

    ISCEON MO99 R-22 replacement

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    R32/R125/R…

    R-442A

    Low/medium temp refrigerant blend

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    R32/R125/R…

    R-448A

    Solstice N40 supermarket refrigerant

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    R32/R125/R…

    R-449A

    Opteon XP40 commercial refrigerant

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    R134a/R123…

    R-450A

    Low-GWP chiller refrigerant blend

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    R32/R125/R…

    R-452A

    Transport refrigeration blend

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    R32/R125/R…

    R-453A

    R-22 replacement blend (RS-70)

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    R125/R143a

    R-507

    Industrial refrigeration HFC blend

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    R134a/R123…

    R-513A

    Opteon XP10 chiller refrigerant

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    CF₃CH=CHCl

    HFO-1233zd

    Low-pressure HFO chiller refrigerant

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    CO₂

    R-744

    Natural transcritical refrigerant (CO2)

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    C₂H₂F₄

    R-134a

    Common hydrofluorocarbon refrigerant

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    CH₂F₂/CHF₂…

    R-410A

    Hydrofluorocarbon refrigerant blend for HVAC

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