Product Description
120L 4-Gas Calibration Cylinder – 100 PPM CO with 18% Oxygen Deficiency Simulation
This high-capacity 4-gas calibration blend is engineered for facilities operating conservative H₂S thresholds and standard carbon monoxide alarm setpoints while requiring oxygen-deficiency validation.
With oxygen reduced to 18.0%, this mixture confirms toxic, combustible, and oxygen sensor performance under realistic confined-space alarm conditions.
Gas Composition Profile
Hydrogen Sulfide (H₂S): 15 PPM
Carbon Monoxide (CO): 100 PPM
Methane (CH₄): 2.5% (50% LEL)
Oxygen (O₂): 18.0%
Balance Gas: Nitrogen
• 15 PPM H₂S supports early toxic alarm verification.
• 100 PPM CO aligns with common industrial CO alarm thresholds.
• 2.5% methane equals 50% LEL for combustible sensor calibration.
• 18.0% oxygen simulates deficiency below OSHA’s 19.5% standard.
This blend allows full multi-channel verification within a single calibration cycle.
Cylinder Specifications
Cylinder Capacity: 120L (4.2 Cubic Feet)
Fill Pressure: 1050 PSI
Valve Type: C-10
Cylinder Material: Aluminum
Gas Reactivity: Reactive
The 1050 PSI fill supports extended service intervals and reduces cylinder replacement frequency in high-volume calibration programs.
Ideal For
• Centralized calibration stations
• Large confined space compliance programs
• Industrial hygiene departments
• Utility and wastewater facilities
• Fleet-wide multi-gas servicing operations
The 120L configuration is selected when operational efficiency and reduced downtime are priorities.
