Product Description
4-Gas Calibration Gas for Portable Detector Testing (H₂S / CO / CH₄ / O₂)
This four-gas calibration mixture is formulated to verify the response accuracy of portable gas detectors that monitor toxic gases, combustible gases, and oxygen levels in hazardous environments.
The blend contains Hydrogen Sulfide (H₂S) 25 PPM, Carbon Monoxide (CO) 50 PPM, Methane (CH₄) 1.62% (32% LEL), and Oxygen (O₂) 19.0%, balanced with nitrogen. These concentrations allow technicians to confirm detector sensor response during routine calibration, bump testing, and preventative maintenance programs.
Supplied in a 44L aluminum cylinder pressurized to 750 PSI, this calibration gas provides a portable and convenient solution for field technicians servicing portable gas detection instruments.
The C-10 valve connection allows compatibility with standard calibration regulators commonly used with multi-gas detection equipment.
Gas Composition
| Gas | Concentration |
|---|---|
| Hydrogen Sulfide (H₂S) | 25 PPM |
| Carbon Monoxide (CO) | 50 PPM |
| Methane (CH₄) | 1.62% (32% LEL) |
| Oxygen (O₂) | 19.0% |
| 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 |
Applications
This quad-gas calibration cylinder is commonly used when maintaining portable gas detection instruments used in:
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Confined space entry monitoring
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Industrial hygiene testing
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Oil and gas production environments
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Chemical manufacturing facilities
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Wastewater treatment plants
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Environmental hazard monitoring
The mixture supports calibration of portable multi-gas detectors produced by manufacturers such as MSA, BW Technologies, Industrial Scientific, and RKI Instruments.
Routine calibration using certified gas mixtures helps maintain detector accuracy and ensures reliable response to hazardous atmospheres.
If your application requires different gas concentrations, alternate cylinder sizes, or a custom calibration mixture, contact us for a quick quote.
