Product Description
4-Gas Calibration Gas for Portable Multi-Gas Detector Testing (H₂S / CO / CH₄ / O₂)
This four-gas calibration mixture is formulated for verifying the performance of portable gas detectors used to monitor toxic gases, combustible gases, and oxygen levels in hazardous work environments.
The blend contains Hydrogen Sulfide (H₂S) 25 PPM, Carbon Monoxide (CO) 50 PPM, Methane (CH₄) 1.5% (30% LEL), and Oxygen (O₂) 20.9%, balanced with nitrogen. These concentrations allow technicians to evaluate detector response and ensure sensors are functioning properly during routine calibration and bump testing procedures.
Supplied in a 44L aluminum cylinder pressurized to 750 PSI, this calibration gas provides a convenient portable option for technicians performing detector maintenance in the field or within facility safety programs.
The C-10 valve connection ensures compatibility with commonly used calibration regulators designed for portable gas monitoring equipment.
Gas Composition
| Gas | Concentration |
|---|---|
| Hydrogen Sulfide (H₂S) | 25 PPM |
| Carbon Monoxide (CO) | 50 PPM |
| Methane (CH₄) | 1.5% (30% LEL) |
| Oxygen (O₂) | 20.9% |
| Balance Gas | Nitrogen |
Cylinder Specifications
| Specification | Value |
|---|---|
| Cylinder Size | 44L |
| Pressure | 750 PSI |
| Cylinder Material | Aluminum |
| Valve | C-10 |
| Gas Reactivity | Reactive |
| Approximate Volume | 1.5 Cubic Feet |
Typical Applications
This quad-gas calibration cylinder is commonly used when maintaining gas detection instruments deployed in environments such as:
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Confined space entry monitoring
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Industrial hygiene safety programs
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Oil and gas production facilities
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Chemical manufacturing plants
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Wastewater treatment operations
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Environmental hazard monitoring
The mixture supports calibration of portable multi-gas detectors manufactured by companies such as MSA, BW Technologies, Industrial Scientific, and RKI Instruments.
Routine calibration with certified gas mixtures helps maintain detector accuracy and ensures reliable response to hazardous atmospheric conditions.
If you require alternate gas concentrations, different cylinder sizes, or a custom calibration mixture, contact us for a quick quote.
