Product Description
120L 4-Gas Calibration Gas – 18.5% Oxygen Deficiency Simulation for Fleet Programs
This 120 Liter reactive 4-gas calibration cylinder is engineered to simulate pronounced oxygen-deficient conditions at 18.5% O₂, enabling validation of low-oxygen alarm response well below OSHA’s 19.5% minimum threshold.
Gas mixture includes:
-
Hydrogen Sulfide (H₂S) – 10 PPM
-
Carbon Monoxide (CO) – 50 PPM
-
Methane (CH₄) – 2.5% (50% LEL)
-
Oxygen (O₂) – 18.5%
-
Nitrogen Balance
The 18.5% oxygen concentration creates a measurable deficiency condition to confirm alarm activation while simultaneously verifying toxic and combustible detection channels in multi-gas monitors.
With 1050 PSI fill pressure and 4.2 cubic feet of capacity, this high-volume configuration supports structured weekly or monthly bump testing schedules across multiple detectors while minimizing cylinder replacement frequency.
Gas Concentration Specifications
| Gas | Concentration |
|---|---|
| Hydrogen Sulfide (H₂S) | 10 PPM |
| Carbon Monoxide (CO) | 50 PPM |
| Methane (CH₄) | 2.5% (50% LEL) |
| Oxygen (O₂) | 18.5% |
| Balance | Nitrogen |
Cylinder Specifications
| Specification | Detail |
|---|---|
| Cylinder Size | 120 Liters |
| Pressure | 1050 PSI |
| Valve Type | C-10 |
| Cylinder Material | Aluminum |
| Gas Reactivity | Reactive |
| Approximate Volume | 4.2 Cubic Feet |
Designed For
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Enterprise confined space entry programs
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Emergency response and rescue training
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Oil & gas production facilities
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Industrial manufacturing plants
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Municipal and utility compliance operations
Compatible with standard C-10 demand flow regulators used across major portable gas detection platforms.
Why Choose the 120L 18.5% Configuration
• Simulates pronounced oxygen-deficient conditions
• Confirms alarm activation below OSHA threshold
• High-capacity cylinder reduces operational downtime
• Reactive formulation supports stable sensor performance
Custom oxygen setpoints, alternate PSI ratings, and modified gas concentrations are available upon request.
