Product Description
221L 4 Gas Calibration Gas – 32% LEL Methane, CO, O₂ (Extended Runtime Calibration)
This 221L 4 gas calibration gas is designed for extended-duration multi-gas detector calibration, featuring 50 PPM Carbon Monoxide (CO), 1.62% Methane (32% LEL), and 19.0% Oxygen (O₂) balanced in nitrogen.
Configured with a CGA-165 low-pressure valve, this cylinder supports controlled, continuous gas delivery, making it ideal for long-duration calibration workflows and multi-point validation programs.
Gas Composition
- Carbon Monoxide (CO): 50 PPM
- Methane (CH₄): 1.62% (32% LEL)
- Oxygen (O₂): 19.0% (Moderate Deficiency)
- Balance Gas: Nitrogen (N₂)
Cylinder Specifications
- Cylinder Size: 221L
- Pressure: 250 PSI
- Valve: CGA-165
- Material: Steel
- Type: Disposable
- Reactivity: Non-Reactive
Applications
- Extended calibration programs
- Multi-point LEL validation
- Methane response curve testing
- Continuous calibration systems
- Industrial compliance workflows
Why This 221L 32% LEL Cylinder is Important
- Enables low-range calibration over extended periods
- Supports continuous gas delivery setups
- Reduces cylinder replacement frequency
- Ideal for multi-day calibration workflows
- Bridges field and facility calibration systems
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 1.62% (32% LEL)
Oxygen (O2) Concentration 19.0%
