Product Description
4-Gas Calibration Gas (CO / CO₂ / CH₄ / O₂) – 60L Cylinder for Multi-Gas Detectors
This 4-gas calibration gas mixture includes carbon monoxide (CO), carbon dioxide (CO₂), methane (CH₄), and oxygen (O₂) and is designed for calibration and maintenance of portable and fixed multi-gas detectors. Supplied in a 60 liter aluminum cylinder at 1000 PSI with C-10 valve, this non-reactive blend ensures stable gas concentrations for accurate and repeatable sensor performance.
Gas Composition
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Carbon Monoxide (CO): 100 PPM
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Carbon Dioxide (CO₂): 2.5%
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Methane (CH₄): 2.5% (50% LEL)
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Oxygen (O₂): 20.9%
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Balance: Nitrogen
Cylinder Specifications
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Cylinder Size: 60 Liters (2.1 Cubic Feet)
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Pressure: 1000 PSI
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Valve: C-10
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Material: Aluminum
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Gas Type: Non-Reactive
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Certification: Calibration Grade
Applications & Compatibility
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Multi-gas detector calibration (toxic, combustible, and atmospheric sensors)
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Combustion monitoring systems
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Indoor air quality (IAQ) testing
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Confined space safety compliance
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Industrial and environmental monitoring
Compatible with gas detectors requiring CO, CO₂, CH₄ (LEL), and O₂ calibration.
Why Buyers Choose This Calibration Gas
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Covers toxic, combustible, and atmospheric gases in one blend
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CO₂ supports air quality and combustion calibration
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Oxygen at 20.9% simulates real ambient air conditions
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50% LEL methane ensures accurate combustible sensor response
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60L size is ideal for routine calibration cycles and repeat use
Custom Calibration Gas Options
Need a different gas mix, concentration, or cylinder size?
We provide custom calibration gas mixtures tailored to your equipment and compliance needs. Contact us for fast quotes.