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  • 66 Liter-Carbon Monoxide 50 ppm/ Methane 2.5% (50% LEL)/ Oxygen 18.0%/ Nitrogen

    • Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.0% / Nitrogen BAL Calibration Gas – 66L 1150 PSI C-10 Aluminum (Non-Reactive)

    E-Gas Depot

    $147.40
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    SKU:
    39-3500-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:
    CO / CH4 / O2
    Cylinder Material:
    Aluminum
    Cylinder Pressure:
    1150 PSI
    Gas Reactivity:
    Non-Reactive
    Carbon Monoxide (CO) Concentration:
    50 PPM
    Methane (CH₄) Concentration:
    2.5% (50% LEL)
    Oxygen (O2) Concentration:
    18.0%
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    Product Description

    66L 4 Gas Calibration Gas – Critical Low Oxygen (18.0%) CO, CH₄, O₂

    This 66L 4 gas calibration gas is engineered for critical oxygen-deficiency simulation, featuring 18.0% Oxygen (O₂) alongside Carbon Monoxide (CO) and Methane (CH₄) balanced in nitrogen.

    Lower than standard atmospheric and typical reduced oxygen blends, this mixture allows safety professionals to test detector response under more severe oxygen-deficient conditions, ensuring accurate alarm activation in high-risk environments.

    Gas Composition

    • Carbon Monoxide (CO): 50 PPM
    • Methane (CH₄): 2.5% (50% LEL)
    • Oxygen (O₂): 18.0% (Critical Low Oxygen Simulation)
    • Balance Gas: Nitrogen (N₂)

    Cylinder Specifications

    • Cylinder Size: 66L
    • Pressure: 1150 PSI
    • Valve: C-10
    • Material: Aluminum
    • Reactivity: Non-Reactive

    Applications

    • Severe oxygen deficiency calibration
    • Confined space hazard testing
    • Multi-gas detector validation under critical conditions
    • Industrial safety compliance
    • Environmental and workplace monitoring

    Why 18.0% O₂ Calibration is Important

    • Simulates more dangerous oxygen-deficient environments
    • Verifies detector alarms at critical safety thresholds
    • Supports OSHA and confined space compliance programs
    • Ensures reliability in high-risk industrial environments
    • Complements standard (20.9%) and moderate (19.0%) calibration levels

    Need Different O₂ Levels or Custom Mixes?

    We offer calibration gases across a range of oxygen concentrations, from atmospheric to critical deficiency levels. Contact us for custom blends tailored to your safety requirements.

    Other Details

    Warranty 48 months

    Product Videos

    Custom Field

    Size 66L
    Gas Composition CO / CH4 / O2
    Cylinder Material Aluminum
    Cylinder Pressure 1150 PSI
    Gas Reactivity Non-Reactive
    Carbon Monoxide (CO) Concentration 50 PPM
    Methane (CH₄) Concentration 2.5% (50% LEL)
    Oxygen (O2) Concentration 18.0%

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