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  • 66 Liter-Hydrogen Sulfide 10 ppm/ Carbon Monoxide 100 ppm/ Methane 2.5% (50% LEL)/ Oxygen 20.9%/ Nitrogen

    • Hydrogen Sulfide (H₂S) 10 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL 4-Gas Calibration Gas – 66L 1150 PSI C-10 Aluminum (Reactive)

    E-Gas Depot

    $259.60
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    SKU:
    140-4900-FX66
    Availability:
    3-5 Business Days + shipping time
    Weight:
    20.00 Ounces
    Width:
    2.90 (in)
    Height:
    10.60 (in)
    Depth:
    2.90 (in)
    Size:
    66L
    Gas Composition:
    H2S / CO / CH4 / O2
    Cylinder Specification:
    C-10
    Cylinder Material:
    Aluminum
    Gas Reactivity:
    Reactive
    Cylinder Pressure:
    1150 PSI
    Hydrogen Sulfide (H2S) Concentration:
    10 PPM
    Carbon Monoxide (CO) Concentration:
    100 PPM
    Methane (CH4) Concentration:
    2.5% (50% LEL)
    Oxygen (O2) Concentration:
    20.9%
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    Product Description

    66L 4-Gas Calibration Gas – 100 PPM CO with 20.9% Oxygen

    This 66L reactive 4-gas calibration cylinder is formulated to confirm 100 PPM carbon monoxide alarm setpoints while maintaining standard atmospheric oxygen at 20.9% O₂.

    The 100 PPM configuration is commonly used for mid-tier alarm verification and structured toxic response validation.

    Gas Composition

    • Hydrogen Sulfide (H₂S): 10 PPM

    • Carbon Monoxide (CO): 100 PPM

    • Methane (CH₄): 2.5% (50% LEL)

    • Oxygen (O₂): 20.9%

    • Nitrogen: Balance

    The 100 PPM CO concentration supports verification of intermediate toxic alarm thresholds.
    The 20.9% oxygen concentration mirrors real-world ambient air conditions.

    Cylinder Specifications

    • Capacity: 66L

    • Fill Pressure: 1150 PSI

    • Valve Type: C-10

    • Cylinder Material: Aluminum

    • Gas Type: Reactive

    • Approximate Volume: 2.3 Cubic Feet

    The 1150 PSI fill provides extended calibration cycles across multiple instruments with reduced cylinder replacement frequency.

    Ideal Applications

    • Industrial hygiene programs

    • Confined space monitoring

    • Oil & gas operations

    • Manufacturing plant compliance

    • Multi-gas detector maintenance

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

    Why Choose the 100 PPM CO 66L Configuration

    • Confirms mid-tier CO alarm thresholds
    • Maintains normal oxygen balance
    • Extended capacity for structured programs
    • Engineered for stable detector response

    Custom CO concentrations and alternate oxygen percentages available upon request.

    Other Details

    Warranty 48 months

    Product Videos

    Custom Field

    Size 66L
    Gas Composition H2S / CO / CH4 / O2
    Cylinder Specification C-10
    Cylinder Material Aluminum
    Gas Reactivity Reactive
    Cylinder Pressure 1150 PSI
    Hydrogen Sulfide (H2S) Concentration 10 PPM
    Carbon Monoxide (CO) Concentration 100 PPM
    Methane (CH4) Concentration 2.5% (50% LEL)
    Oxygen (O2) Concentration 20.9%

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