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  • 44 Liter-Hydrogen Sulfide 10 ppm/ Carbon Monoxide 200 ppm/ Methane 2.5% (50% LEL)/ Oxygen 20.9%/ Nitrogen

    • Hydrogen Sulfide (H₂S) 10 PPM / Carbon Monoxide (CO) 200 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL 4-Gas Calibration Gas – 44L 750 PSI C-10 Aluminum (Reactive)

    E-Gas Depot

    $213.40
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    SKU:
    140-5300-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:
    10 PPM
    Methane (CH4) Concentration:
    2.5% (50% LEL)
    Oxygen (O2) Concentration:
    20.9%
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    Product Description

    44L Portable 4-Gas Calibration Gas – 200 PPM CO with 20.9% O₂

    This 44L reactive 4-gas calibration cylinder is designed for validating 200 PPM carbon monoxide alarm setpoints while maintaining normal atmospheric oxygen at 20.9% O₂.

    Its compact size and 750 PSI configuration make it ideal for service technicians and field-based calibration routines.

    Gas Composition

    • Hydrogen Sulfide (H₂S): 10 PPM

    • Carbon Monoxide (CO): 200 PPM

    • Methane (CH₄): 2.5% (50% LEL)

    • Oxygen (O₂): 20.9%

    • Nitrogen: Balance

    The 200 PPM CO concentration confirms higher toxic alarm thresholds.
    The 20.9% oxygen level mirrors standard ambient air conditions for realistic calibration.

    Cylinder Specifications

    • Capacity: 44L

    • Fill Pressure: 750 PSI

    • Valve: C-10

    • Material: Aluminum

    • Gas Type: Reactive

    • Approximate Volume: 1.5 Cubic Feet

    The 750 PSI fill allows controlled regulator output for accurate bump tests and alarm verification cycles.

    Ideal Applications

    • Field service calibration

    • Confined space compliance checks

    • Contractor detector maintenance

    • Oil & gas operations

    • Industrial hygiene validation

    Compatible with C-10 demand flow regulators used across most portable multi-gas detection instruments.

    Why Choose the 44L 200 PPM Configuration

    • Confirms upper CO alarm thresholds
    • Maintains normal atmospheric oxygen balance
    • Portable and service-ready
    • Reactive mixture optimized for detector performance

    Custom CO concentrations and alternate oxygen levels 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 10 PPM
    Methane (CH4) Concentration 2.5% (50% LEL)
    Oxygen (O2) Concentration 20.9%

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