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  • 34 Liter-Hydrogen Sulfide 50 ppm/ Carbon Monoxide 50 ppm/ Methane 2.5% (50% LEL)/ Oxygen 12.0%/ Nitrogen

    • Hydrogen Sulfide (H₂S) 50 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 12.0% / Nitrogen BAL Calibration Gas – 34L

    E-Gas Depot

    $202.40
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    SKU:
    165-300-34LR
    Availability:
    3-5 Business Days + shipping time
    Weight:
    22.40 Ounces
    Width:
    2.90 (in)
    Height:
    10.75 (in)
    Depth:
    2.90 (in)
    Size:
    34 L
    Gas Composition:
    H2S / CO / CH4 / O2
    Cylinder Specification:
    C-10
    Cylinder Material:
    Aluminum
    Gas Reactivity:
    Reactive
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    Product Description

    4 Gas H2S CO CH4 O2 Calibration Gas – 34L Cylinder

    This compact four-gas calibration mixture verifies detector performance in oxygen-deficient and combustible atmospheres using a single cylinder. Designed for portable bump testing, it allows technicians to confirm alarm activation before entering hazardous areas.

    Gas Concentrations

    ComponentConcentration
    Hydrogen Sulfide (H₂S)     50 PPM
    Carbon Monoxide (CO)     50 PPM
    Methane (CH₄) 2.5% (50% LEL)
    Oxygen (O₂)      12.0%
    Balance    Nitrogen

    Cylinder Specifications

    PropertyValue
    Cylinder Size 34L (1.2 ft³)
    Cylinder Specification     C-10
    Cylinder Material   Aluminum
    Gas Reactivity   Reactive

    What This Cylinder Tests

    • Toxic gas detection response (H₂S & CO)

    • Oxygen-deficiency alarm activation

    • Combustible gas detection (methane LEL)

    Provides quick verification when performing routine safety checks or portable calibration.

    Typical Applications

    • Confined space entry checks

    • Portable field bump testing

    • Alarm threshold verification

    • Industrial inspections

    • Maintenance calibration routines

    Need a Different Blend?

    Custom calibration mixtures are available to match detector alarm setpoints and monitoring programs.

    Other Details

    Warranty 24 months

    Product Videos

    Custom Field

    Size 34 L
    Gas Composition H2S / CO / CH4 / O2
    Cylinder Specification C-10
    Cylinder Material Aluminum
    Gas Reactivity Reactive

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