Product Description
CH₄ 4.25% / Nitrogen (N₂) Balance Calibration Gas
Keep your gas detection equipment performing accurately with this CH₄ 4.25% / Nitrogen (N₂) balance calibration gas, designed for calibration, bump testing, and preventative maintenance of portable and fixed gas detection systems. Packaged 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 stable, repeatable gas concentrations for dependable detector verification and consistent sensor performance.
Calibration Gas Composition
| Gas | Concentration |
|---|---|
| Methane (CH₄) | 4.25% |
| Balance Gas | Nitrogen (N₂) |
This methane calibration gas is trusted by industrial hygienists, EHS professionals, maintenance technicians, and safety managers to calibrate combustible gas detectors used throughout oil & gas, manufacturing, wastewater treatment, mining, utilities, chemical processing, confined space entry, and other industrial environments where reliable gas monitoring is essential for workplace safety and regulatory compliance.
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 a generous gas supply for routine calibration and detector maintenance while remaining convenient to transport and replace. It supports accurate calibration, reliable bump testing, detector verification, and preventative maintenance by helping technicians maintain detector accuracy, verify sensor response, and reduce instrument drift across portable and fixed gas detection systems.
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.
