Product Description
CH₄ 1.0% (20% LEL) / O₂ 19.0% / Nitrogen (N₂) Balance Calibration Gas
Discover dependable calibration performance with this CH₄ 1.0% (20% LEL) / O₂ 19.0% / 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 provides stable, repeatable gas concentrations to ensure accurate detector verification across industrial applications.
Calibration Gas Composition
| Gas | Concentration |
|---|---|
| Methane (CH₄) | 1.0% (20% LEL) |
| Oxygen (O₂) | 19.0% |
| Balance Gas | Nitrogen (N₂) |
This methane calibration gas is ideal for industrial hygienists, EHS professionals, maintenance technicians, and safety managers responsible for calibrating combustible gas detectors used in oil & gas, manufacturing, wastewater treatment, utilities, mining, chemical processing, confined space entry, and other safety-critical environments.
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 |
The 221-liter disposable steel cylinder provides an excellent balance of portability and extended gas capacity, making it well suited for facilities with regular calibration schedules. Its durable steel construction supports consistent gas delivery to help maintain detector accuracy, verify sensor response, reduce instrument drift, and support compliance with workplace safety standards.
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.