Product Description
CH₄ 2.5% (50% LEL) / O₂ 12.0% / Nitrogen (N₂) Balance Calibration Gas
Protect the accuracy of your gas detection equipment 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. Supplied in a 221-liter disposable steel cylinder with a 250 PSI fill pressure and a CGA-165 valve connection, this non-reactive calibration gas mixture delivers dependable, repeatable performance for industrial gas monitoring and detector verification.
Calibration Gas Composition
| Gas | Concentration |
|---|---|
| Methane (CH₄) | 2.5% (50% LEL) |
| Oxygen (O₂) | 12.0% |
| Balance Gas | Nitrogen (N₂) |
This methane calibration gas is relied upon by industrial hygienists, EHS professionals, maintenance technicians, and safety managers to verify combustible gas detectors used throughout oil & gas facilities, manufacturing plants, wastewater treatment operations, chemical processing facilities, utilities, confined space entry programs, and other industrial environments where accurate gas monitoring is essential.
Cylinder Specifications
| Specification | Value |
|---|---|
| Cylinder Size | 221 Liters |
| Pressure | 250 PSI |
| Water Capacity | 7.5 Cubic Feet |
| Valve Connection | CGA-165 |
| Cylinder Material | Steel |
| Cylinder Type | Disposable |
| Reactivity | Non-Reactive |
This calibration gas is ideal for scheduled calibration, routine bump testing, and preventative maintenance to help maintain detector accuracy, minimize instrument drift, and support workplace safety compliance. 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.
