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  • 44 Liter-Hydrogen Sulfide 25 ppm/ Carbon Monoxide 50 ppm/ Methane 1.62% (50% LEL Propane Equiv.)/ Oxygen 19.0%/ Nitrogen

    • Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 1.62% (50% LEL LPG Equivalent) / Oxygen (O₂) 19.0% / Nitrogen BAL 4-Gas Calibration Gas – 44L 750 PSI C-10 Aluminum (Reactive)

    E-Gas Depot

    $213.40
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    SKU:
    155-1300-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:
    25 PPM
    Carbon Monoxide (CO) Concentration:
    50 PPM
    Methane (CH4) Concentration:
    1.62% (50% LEL LPG Equivalent)
    Oxygen (O2) Concentration:
    19.0%
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    Product Description

    44L Portable LPG-Equivalent 4-Gas Calibration Gas – 25 PPM H₂S with 19.0% O₂

    This 44L reactive 4-gas calibration cylinder is engineered for portable gas detector calibration in confined space and industrial safety programs.

    The blend includes 25 PPM hydrogen sulfide, 50 PPM carbon monoxide, 1.62% methane representing 50% LEL propane equivalent, and 19.0% oxygen, providing a realistic simulation of hazardous atmospheres encountered during confined space operations.

    Gas Composition

    • Hydrogen Sulfide (H₂S): 25 PPM

    • Carbon Monoxide (CO): 50 PPM

    • Methane (CH₄): 1.62% (50% LEL LPG / Propane Equivalent)

    • Oxygen (O₂): 19.0%

    • Nitrogen: Balance

    The 19.0% oxygen concentration enables accurate calibration of oxygen-deficiency alarms used in confined space safety monitoring.

    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 portable configuration makes this cylinder ideal for field technicians and service teams performing on-site calibration.

    Typical Applications

    • Confined space entry programs

    • Field calibration of portable gas monitors

    • Industrial safety inspections

    • Oil & gas monitoring

    • Wastewater and municipal facilities

    Compatible with C-10 demand flow regulators used across major portable multi-gas detection systems.

    Why This Calibration Blend

    • Simulates oxygen-deficient confined space atmospheres
    • Verifies LPG-equivalent combustible gas alarms
    • Confirms toxic sensor response (H₂S and CO)
    • Portable cylinder size for field calibration

    Custom calibration mixtures and alternate LEL equivalents are 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 25 PPM
    Carbon Monoxide (CO) Concentration 50 PPM
    Methane (CH4) Concentration 1.62% (50% LEL LPG Equivalent)
    Oxygen (O2) Concentration 19.0%

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