Product Description
4-Gas Calibration Gas for Portable Multi-Gas Detector Testing (H₂S / CO / CH₄ / O₂)
This four-gas calibration mixture is designed to verify the performance of portable gas detectors used to 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) 1.45% (58% LEL Pentane Equivalent), and Oxygen (O₂) 18.0%, balanced with nitrogen. These concentrations allow technicians to confirm detector response across multiple sensing channels during bump testing and scheduled calibration procedures.
Supplied in a 60L aluminum cylinder pressurized to 1000 PSI, this calibration gas provides a practical balance between portability and cylinder capacity for routine gas detector maintenance.
The C-10 valve connection ensures compatibility with standard calibration regulators used with most portable gas detection instruments.
Gas Composition
| Gas | Concentration |
|---|---|
| Hydrogen Sulfide (H₂S) | 25 PPM |
| Carbon Monoxide (CO) | 50 PPM |
| Methane (CH₄) | 1.45% (58% LEL Pentane Equivalent) |
| Oxygen (O₂) | 18.0% |
| Balance Gas | Nitrogen |
Cylinder Specifications
| Specification | Value |
|---|---|
| Cylinder Size | 60L |
| Pressure | 1000 PSI |
| Cylinder Material | Aluminum |
| Valve | C-10 |
| Gas Reactivity | Reactive |
| Approximate Volume | 2.1 Cubic Feet |
Typical Applications
This quad-gas calibration cylinder is commonly used when maintaining portable gas detection instruments deployed in environments such as:
-
Confined space entry monitoring
-
Industrial hygiene and workplace safety programs
-
Oil and gas facilities
-
Chemical manufacturing operations
-
Wastewater treatment plants
-
Environmental hazard monitoring
The mixture supports calibration of portable multi-gas detectors manufactured by companies such as MSA, BW Technologies, Industrial Scientific, RKI Instruments, and Honeywell.
Routine calibration with certified gas mixtures helps maintain detector accuracy and ensures reliable response to hazardous atmospheric conditions.
If you require different gas concentrations, alternate cylinder sizes, or a custom calibration gas mixture, contact us for a quick quote.
