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    • Carbon Monoxide (CO) 2.0% / Hydrogen (H₂) 2.0% (50% LEL) / Oxygen (O₂) 4.0% / Nitrogen BAL Calibration Gas – 680L 1800 PSI CGA Specific Aluminum – Custom Mix

    E-Gas Depot

    $418.00
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    SKU:
    43-400-FX680L
    Availability:
    10 days + shipping time
    Weight:
    136.80 Ounces
    Width:
    4.38 (in)
    Height:
    28.75 (in)
    Depth:
    4.38 (in)
    Size:
    680L
    Gas Composition:
    CO / H2 / O2
    Cylinder Material:
    Aluminum
    Cylinder Pressure:
    1800 PSI
    Gas Reactivity:
    Non-Reactive
    Carbon Monoxide (CO) Concentration:
    2.0%
    Hydrogen (H₂) Concentration:
    2.0% (50% LEL)
    Oxygen (O2) Concentration:
    4.0%
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    Product Description

    High-Capacity CO / Hydrogen / Oxygen (4.0%) Calibration Gas for Continuous Low-Oxygen Simulation

    This custom calibration gas mixture contains Carbon Monoxide (CO) 2.0%, Hydrogen (H₂) 2.0% (50% LEL), and Oxygen (O₂) 4.0%, balanced in nitrogen. Supplied in a 680L aluminum cylinder at 1800 PSI with a CGA-specific valve, this blend is engineered for high-volume calibration environments requiring sustained gas delivery and accurate oxygen-deficiency simulation.

    The reduced oxygen level supports reliable testing of oxygen sensors under critical low-O₂ conditions, while hydrogen at 50% LEL ensures precise combustible gas response verification across extended calibration cycles.

    Gas Composition

    • Carbon Monoxide (CO): 2.0%
    • Hydrogen (H₂): 2.0% (50% LEL)
    • Oxygen (O₂): 4.0%
    • Balance Gas: Nitrogen

    Cylinder Specifications

    • Cylinder Size: 680L
    • Cylinder Pressure: 1800 PSI
    • Cylinder Material: Aluminum
    • Valve Type: CGA Specific
    • Gas Reactivity: Non-Reactive

    Applications

    • Continuous oxygen-deficiency sensor calibration
    • High-volume hydrogen (H₂) LEL verification programs
    • Facility-wide multi-gas detector calibration
    • Confined space safety validation at scale
    • Industrial environments requiring long-duration calibration supply

    Key Advantages

    • 4.0% oxygen enables accurate low-O₂ environment simulation
    • 680L capacity supports extended use with fewer cylinder changeouts
    • Hydrogen at 50% LEL ensures precise combustible gas calibration
    • Stable gas delivery for long-duration calibration cycles
    • Designed for compatibility with CGA-specific high-capacity systems

    Custom Calibration Gas Options

    Custom calibration gas mixtures are available for applications requiring different concentrations, cylinder sizes, or gas combinations.

    Other Details

    Warranty 48 months

    Product Videos

    Custom Field

    Size 680L
    Gas Composition CO / H2 / O2
    Cylinder Material Aluminum
    Cylinder Pressure 1800 PSI
    Gas Reactivity Non-Reactive
    Carbon Monoxide (CO) Concentration 2.0%
    Hydrogen (H₂) Concentration 2.0% (50% LEL)
    Oxygen (O2) Concentration 4.0%

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