Product Description
Four-Gas Calibration Mixture for Confined-Space & Plant Safety Programs
This 4-gas calibration mixture combines Hydrogen Sulfide (H₂S), Carbon Monoxide (CO), Methane (CH₄), and Oxygen (O₂) in a 34L aluminum cylinder with nitrogen balance, formulated for verifying multi-sensor gas detectors used in confined spaces, industrial plants, and hazardous-work environments.
Designed for span calibration and bump testing, this reactive mixture supports safety teams performing regulatory inspections, maintenance programs, and emergency-response readiness checks across utilities, petrochemical facilities, and manufacturing operations.
Cylinder & Mixture Specifications
• Hydrogen Sulfide (H₂S): 40 PPM
• Carbon Monoxide (CO): 100 PPM
• Methane (CH₄): 2.5% (50% LEL)
• Oxygen (O₂): 15.0%
• Balance Gas: Nitrogen (N₂)
• Volume: 34L (0.71 ft³)
• Pressure: 1,200 PSI
• Cylinder Material: Aluminum
• Valve: C-10
• Reactivity: Reactive
Applications for Four-Gas Calibration Gas
This multi-gas span mix is widely used for:
• confined-space entry testing
• multi-sensor detector calibration
• refinery maintenance programs
• emergency response equipment
• municipal utility crews
• oil & gas operations
• industrial safety audits
Why Safety Teams Specify This 4-Gas Calibration Cylinder
• verifies all major sensor types at once
• supports OSHA compliance programs
• improves detector reliability
• reduces false alarms
• strengthens audit documentation
• compatible with most calibration regulators
Need a Different Multi-Gas Combination?
Alternate concentrations, cylinder sizes, and specialty mixtures are available to match site-specific detection equipment and regulatory protocols.
