CH4 2.5% (50% LEL)

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 90 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL Calibration Gas – 120L

4-Gas Calibration Gas – 25 PPM H2S / 90 PPM CO / 2.5% (50% LEL) CH4 / 20.9% O2 – 120L C-10 Cylinder This 4-gas calibration gas blend is engineered for routine bump testing and full calibration of portable multi-gas monitors used in confined...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 90 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL Calibration Gas – 34L

4-Gas Calibration Gas – 25 PPM H2S / 90 PPM CO / 2.5%(50% LEL) CH4 / 20.9% O2 – 34L C-10 Disposable Cylinder This 4-gas calibration gas is engineered for routine bump testing and full calibration of portable multi-gas monitors used in...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 90 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL Calibration Gas – 44L

4-Gas Calibration Gas – 25 PPM H2S / 90 PPM CO / 2.5% (50% LEL) CH4 / 20.9% O2 – 44L C-10 Cylinder This 4-gas calibration gas blend is engineered for routine bump testing and calibration of portable multi-gas monitors used in confined space...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 90 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL Calibration Gas – 60L

4-Gas Calibration Gas – 25 PPM H2S / 90 PPM CO /2.5% (50% LEL) CH4 / 20.9% O2 – 60L C-10 Cylinder This 4-gas calibration gas blend is designed for routine calibration and bump testing of portable multi-gas monitors used in confined space...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 90 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL Calibration Gas – 66L

4-Gas Calibration Gas – 25 PPM H2S / 90 PPM CO / 2.5% (50% LEL) CH4 / 20.9% O2 – 66L C-10 Cylinder This H₂S 25 PPM / CO 90 PPM / CH₄ 50% LEL / O₂ 20.9% calibration gas is engineered for routine calibration and bump testing of portable...

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% ( 50% LEL) / Oxygen (O₂) 19.0% / Nitrogen BAL Calibration Gas – 116L

Extended-Use Confined Space Calibration Gas – 116L Cylinder This reduced-oxygen calibration mixture is used to confirm detector readiness prior to entry into ventilation-limited environments. The 19.0% oxygen concentration triggers deficiency...

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 15.0% / N₂ BAL Calibration Gas – 34L

Four-Gas Calibration Mixture for Confined-Space & Plant Safety Programs This 4-gas calibration mixture combines Hydrogen Sulfide (H₂S), Carbon Monoxide (CO), Methane (CH₄), and Oxygen (O₂) in a 34L aluminum cylinder with nitrogen balance, formulated...

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 15.0% / Nitrogen BAL Calibration Gas – 116L

High-Capacity 4 Gas Calibration Gas – 116L Cylinder This 4-gas calibration mixture is designed to simulate hazardous confined-space conditions while confirming full detector readiness. The 15.0% oxygen concentration triggers deficiency alarms,...

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 15.0% / Nitrogen BAL Calibration Gas – 120L

Long-Duration Hazard Simulation Calibration Gas – 120L Cylinder This calibration mixture is used to confirm detector response under truly unsafe atmospheric conditions. The 15.0% oxygen concentration triggers danger-level deficiency alarms while...

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 15.0% / Nitrogen BAL Calibration Gas – 34L

Compact Hazard Simulation Calibration Gas – 34L Cylinder This calibration mixture is designed for technicians who must confirm detector readiness immediately prior to entry. The 15.0% oxygen concentration activates deficiency alarms while hydrogen...

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 15.0% / Nitrogen BAL Calibration Gas – 44L

Portable Alarm-Level Calibration Gas – 44L Cylinder This calibration mixture verifies monitor performance in atmospheres where oxygen levels fall into unsafe ranges. The 15.0% oxygen concentration activates deficiency alarms while hydrogen...

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 15.0% / Nitrogen BAL Calibration Gas – 60L

Portable Deficiency Alarm Calibration Gas – 60L Cylinder This calibration mixture verifies detector performance in atmospheres that fall below safe breathing levels. The 15.0% oxygen concentration activates deficiency alarms while hydrogen...