Product Description
CH₄ 3.5% (70% LFL) / Nitrogen (N₂) Balance Calibration Gas
Discover dependable CH₄ 3.5% (70% LFL) / Nitrogen (N₂) balance calibration gas 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 stable, repeatable gas concentrations for reliable detector verification and long-term sensor performance.
Containing 3.5% methane (70% of the Lower Flammable Limit), this calibration gas is specifically formulated to verify combustible gas detectors that monitor methane concentrations in hazardous industrial environments where accurate LFL measurements are essential for worker safety, regulatory compliance, and dependable methane monitoring.
Calibration Gas Composition
| Gas | Concentration |
|---|---|
| Methane (CH₄) | 3.5% (70% LFL) |
| Balance Gas | Nitrogen (N₂) |
This methane calibration gas is trusted by industrial hygienists, EHS professionals, maintenance technicians, safety managers, and environmental specialists to calibrate combustible gas detectors used throughout oil & gas, petrochemical processing, manufacturing, mining, wastewater treatment, utilities, chemical processing, confined space entry, and other industrial environments where reliable combustible gas detection is critical.
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 extended calibration gas capacity for industrial maintenance departments, routine calibration programs, and facilities performing frequent detector verification. Its durable steel construction supplies a dependable source of calibration gas for bump testing, detector verification, preventative maintenance, maintaining detector accuracy, verifying sensor response, reducing instrument drift, and maximizing the performance of portable and fixed gas detection systems.
If your application requires a different methane concentration, LFL 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 e-commerce store.
