Product Description
High-Capacity 4-Gas Calibration Gas – CO, CH₄, O₂ (221L Cylinder)
This high-capacity 4-gas calibration mixture is designed for frequent calibration and large-scale safety programs. Featuring Carbon Monoxide (CO), Methane (CH₄), and Oxygen (O₂) balanced with nitrogen, this blend ensures accurate performance across portable and fixed gas detection systems.
The 221L disposable steel cylinder is optimized for facility use, calibration labs, and teams performing routine testing at scale, reducing replacement frequency and improving operational efficiency.
Gas Composition
- Carbon Monoxide (CO): 50 PPM
- Methane (CH₄): 2.5% (50% LEL)
- Oxygen (O₂): 19.0%
- Balance Gas: Nitrogen (N₂)
Cylinder Specifications
- Cylinder Size: 221L
- Pressure: 250 PSI
- Cylinder Material: Steel
- Valve Type: CGA-165
- Reactivity: Non-Reactive
- Disposable: Yes
Applications & Compatibility
- High-volume gas detector calibration programs
- Facility-wide bump testing and maintenance
- Industrial safety compliance (OSHA/NIOSH aligned)
- Calibration labs and service departments
- Compatible with multi-gas monitors requiring CO, CH₄, and O₂ calibration
Why Buyers Choose This Calibration Gas
- Extended use capacity (221L) reduces cylinder changeouts
- Ideal for multi-device calibration environments
- Cost-efficient for large teams and ongoing testing
- Reliable, non-reactive blend for consistent sensor accuracy
- Supports both portable and fixed gas detection systems
Need a Custom Gas Mixture?
We provide custom calibration gas blends tailored to your detector requirements, concentrations, and cylinder configurations. Contact us for fast, application-specific quotes.
Other Details
Warranty 48 monthsProduct Videos
Custom Field
Size 221L
Gas Composition CO / CH4 / O2
Cylinder Material Steel
Cylinder Pressure 250 PSI
Gas Reactivity Non-Reactive
Carbon Monoxide (CO) Concentration 50 PPM
Methane (CH₄) Concentration 2.5% (50% LEL)
Oxygen (O2) Concentration 19.0%
