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  • 44 Liter-Hydrogen Sulfide 10 ppm/ Carbon Monoxide 35 ppm/ Methane 2.5% (50% LEL)/ Oxygen 18.0%/ Nitrogen

    • Hydrogen Sulfide (H₂S) 10 PPM / Carbon Monoxide (CO) 35 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.0% / Nitrogen BAL 4-Gas Calibration Gas – 44L 750 PSI C-10 Aluminum (Reactive)

    E-Gas Depot

    $213.40
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    SKU:
    140-0900-FX44
    Availability:
    3-5 Business Days + shipping time
    Weight:
    20.00 Ounces
    Width:
    2.90 (in)
    Height:
    10.60 (in)
    Depth:
    2.90 (in)
    Size:
    44L
    Gas Composition:
    H2S / CO / CH4 / O2
    Cylinder Specification:
    C-10
    Cylinder Material:
    Aluminum
    Gas Reactivity:
    Reactive
    Cylinder Pressure:
    750 PSI
    Hydrogen Sulfide (H2S) Concentration:
    10 PPM
    Carbon Monoxide (CO) Concentration:
    35 PPM
    Methane (CH4) Concentration:
    2.5% (50% LEL)
    Oxygen (O2) Concentration:
    18.0%
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    Product Description

    44L 4-Gas Calibration Gas – 35 PPM CO with 18.0% O₂

    This 44L reactive 4-gas calibration cylinder is engineered for facilities calibrating 35 PPM carbon monoxide alarm thresholds, supporting early-warning CO validation while simultaneously verifying oxygen and LEL response.

    The 18.0% oxygen concentration provides controlled oxygen-deficient simulation below OSHA’s 19.5% threshold.

    Gas Blend Composition

    • Hydrogen Sulfide (H₂S): 10 PPM

    • Carbon Monoxide (CO): 35 PPM

    • Methane (CH₄): 2.5% (50% LEL)

    • Oxygen (O₂): 18.0%

    • Nitrogen: Balance

    This blend confirms performance across oxygen, toxic, and combustible sensor channels in portable multi-gas detectors.

    Cylinder Specifications

    • Capacity: 44L

    • Fill Pressure: 750 PSI

    • Valve Type: C-10

    • Cylinder Material: Aluminum

    • Gas Type: Reactive

    • Approximate Volume: 1.5 Cubic Feet

    The 750 PSI configuration offers controlled regulator flow for mobile calibration environments.

    Common Applications

    • Contractor confined space programs

    • Industrial hygiene inspections

    • Utility maintenance teams

    • Manufacturing plant safety checks

    • Scheduled detector maintenance cycles

    Compatible with standard C-10 demand flow regulators used across major portable gas detection platforms.

    Why Choose the 35 PPM CO 44L Configuration

    • Supports lower CO first-alarm setpoint validation
    • Portable format for field teams
    • Confirms O₂ and LEL response simultaneously
    • Reactive blend engineered for stable detector readings

    Custom CO concentrations and alternate oxygen percentages available upon request.

    Other Details

    Warranty 48 months

    Product Videos

    Custom Field

    Size 44L
    Gas Composition H2S / CO / CH4 / O2
    Cylinder Specification C-10
    Cylinder Material Aluminum
    Gas Reactivity Reactive
    Cylinder Pressure 750 PSI
    Hydrogen Sulfide (H2S) Concentration 10 PPM
    Carbon Monoxide (CO) Concentration 35 PPM
    Methane (CH4) Concentration 2.5% (50% LEL)
    Oxygen (O2) Concentration 18.0%

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