Product Description
CH₄ 3.75% (75% LEL) / Nitrogen (N₂) Balance Calibration Gas
Maintain dependable gas detector performance with this CH₄ 3.75% (75% LEL) / Nitrogen (N₂) balance calibration gas, designed for calibration, bump testing, and preventative maintenance of portable and fixed gas detection systems. Packaged in a 120-liter refillable aluminum cylinder with a 1050 PSI fill pressure and a C-10 valve connection, this non-reactive calibration gas mixture provides stable, repeatable gas concentrations for accurate detector verification and long-term sensor reliability.
Containing 3.75% methane (75% of the Lower Explosive Limit), this calibration gas is ideal for verifying combustible gas detectors that monitor methane concentrations in hazardous industrial environments where accurate LEL measurements are essential for workplace safety.
Calibration Gas Composition
| Gas | Concentration |
|---|---|
| Methane (CH₄) | 3.75% (75% LEL) |
| Balance Gas | Nitrogen (N₂) |
This methane calibration gas is trusted by industrial hygienists, EHS professionals, maintenance technicians, and safety managers for calibrating combustible gas detectors used in oil & gas, petrochemical facilities, manufacturing, mining, wastewater treatment, utilities, chemical processing, confined space entry, and other industrial applications where reliable methane monitoring is critical for regulatory compliance and worker protection.
Cylinder Specifications
| Specification | Value |
|---|---|
| Cylinder Size | 120 Liters |
| Pressure | 1050 PSI |
| Water Capacity | 4.2 Cubic Feet |
| Valve Connection | C-10 |
| Cylinder Material | Aluminum |
| Cylinder Type | Refillable |
| Reactivity | Non-Reactive |
The 120-liter refillable aluminum cylinder provides an excellent balance of portability and gas capacity, making it well suited for routine calibration schedules, maintenance departments, and field service technicians. Its durable aluminum construction delivers a dependable source of calibration gas for bump testing, detector verification, preventative maintenance, maintaining detector accuracy, verifying sensor response, reducing instrument drift, and extending the performance of portable and fixed gas detection systems.
If your application requires a different methane concentration, LEL 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.
