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  • 66 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 – 66L 1150 PSI C-10 Aluminum (Reactive)

    E-Gas Depot

    $259.60
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    SKU:
    140-5300-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:
    200 PPM
    Methane (CH4) Concentration:
    2.5% (50% LEL)
    Oxygen (O2) Concentration:
    20.9%
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    Product Description

    66L 4-Gas Calibration Gas – 200 PPM CO with 20.9% Oxygen

    This 66L reactive 4-gas calibration cylinder is formulated to validate 200 PPM carbon monoxide alarm thresholds while maintaining standard atmospheric oxygen at 20.9% O₂.

    Unlike oxygen-deficient blends, this configuration confirms toxic alarm performance under normal ambient air balance conditions.

    Gas Blend Specifications

    • 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 supports upper-tier toxic alarm validation.
    The 20.9% oxygen level reflects standard atmospheric conditions for realistic field calibration.

    Cylinder Details

    • Capacity: 66L

    • Fill Pressure: 1150 PSI

    • Valve: C-10

    • Material: Aluminum

    • Gas Type: Reactive

    • Approximate Volume: 2.3 Cubic Feet

    The 1150 PSI configuration provides extended calibration cycles and reduced cylinder change frequency.

    Designed For

    • Industrial CO alarm validation

    • Confined space monitoring programs

    • Oil & gas operations

    • Manufacturing safety teams

    • Routine multi-gas detector maintenance

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

    Why Choose the 200 PPM CO 66L Blend

    • Validates higher CO alarm thresholds
    • Maintains normal atmospheric oxygen conditions
    • Extended calibration capacity
    • Reactive mixture engineered for detector stability

    Custom CO concentrations and alternate oxygen setpoints 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 200 PPM
    Methane (CH4) Concentration 2.5% (50% LEL)
    Oxygen (O2) Concentration 20.9%

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