Product Description
CH₄ 2.5% (50% LEL) / O₂ 12.0% / Nitrogen (N₂) Balance Calibration Gas
Verify accurate gas detector performance with this CH₄ 2.5% (50% LEL) / O₂ 12.0% / Nitrogen (N₂) balance calibration gas, designed for calibration, bump testing, and preventative maintenance of portable and fixed gas detection systems. Packaged in an 11-liter disposable aluminum cylinder with a 140 PSI fill pressure and an easy-to-use trigger valve, this non-reactive calibration gas mixture delivers precise, repeatable concentrations for detector verification in the field or shop.
Calibration Gas Composition
| Gas | Concentration |
|---|---|
| Methane (CH₄) | 2.5% (50% LEL) |
| Oxygen (O₂) | 12.0% |
| Balance Gas | Nitrogen (N₂) |
This methane calibration gas is trusted by industrial hygienists, EHS professionals, maintenance technicians, and safety managers to verify combustible gas detectors used in oil & gas, manufacturing, chemical processing, utilities, wastewater treatment, confined space entry, and other industrial applications where dependable gas monitoring is essential.
Cylinder Specifications
| Specification | Value |
|---|---|
| Cylinder Size | 11 Liters |
| Pressure | 140 PSI |
| Water Capacity | 0.4 Cubic Feet |
| Valve Connection | Trigger Valve |
| Cylinder Material | Aluminum |
| Cylinder Type | Disposable |
| Reactivity | Non-Reactive |
The compact 11-liter cylinder is ideal for portable calibration kits, routine bump testing, scheduled calibration, and preventative maintenance. Regular use helps maintain detector accuracy, verify sensor response, reduce instrument drift, and support compliance with workplace safety programs.
If your application requires a different methane concentration, oxygen percentage, cylinder size, or specialty gas blend, we manufacture custom calibration gas mixtures for virtually every gas detection application. Contact our team for a fast custom quote if your required mixture is not available in our online store.