O2 18.0%

Hydrogen Sulfide (H₂S) 15 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.0% / Nitrogen BAL 4-Gas Calibration Gas – 116L 1000 PSI C-10 Aluminum

116L 4-Gas Calibration Cylinder – 15 PPM H₂S / 50 PPM CO with 18% Oxygen This 116L 4-gas calibration blend is configured for structured safety programs operating lower toxic alarm thresholds while validating controlled oxygen-deficiency response...

Hydrogen Sulfide (H₂S) 15 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.0% / Nitrogen BAL 4-Gas Calibration Gas – 120L 1050 PSI C-10 Aluminum

120L 4-Gas Calibration Cylinder – 15 PPM H₂S / 50 PPM CO with 18% Oxygen This high-capacity 4-gas calibration blend is designed for organizations running lower toxic alarm thresholds and structured oxygen-deficiency validation programs. With...

Hydrogen Sulfide (H₂S) 15 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.0% / Nitrogen BAL 4-Gas Calibration Gas – 34L 500 PSI C-10 Aluminum Disposable

34L Disposable 4-Gas Calibration Cylinder – 15 PPM H₂S / 50 PPM CO / 18% Oxygen This disposable 4-gas calibration cylinder is configured for facilities operating conservative toxic alarm thresholds and requiring moderate oxygen-deficiency...

Hydrogen Sulfide (H₂S) 15 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.0% / Nitrogen BAL 4-Gas Calibration Gas – 60L 1000 PSI C-10 Aluminum

60L 4-Gas Calibration Blend – 15 PPM H₂S / 50 PPM CO with 18% Oxygen This 4-gas calibration cylinder is configured for organizations that prioritize lower toxic alarm thresholds and early detection strategies. By combining reduced H₂S and CO...

Hydrogen Sulfide (H₂S) 15 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.0% / Nitrogen BAL 4-Gas Calibration Gas – 60L 1000 PSI C-10 Aluminum

60L 4-Gas Calibration Blend – 15 PPM H₂S / 50 PPM CO with 18% Oxygen This 4-gas calibration cylinder is configured for organizations that prioritize lower toxic alarm thresholds and early detection strategies. By combining reduced H₂S and CO...

Hydrogen Sulfide (H₂S) 15 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.0% / Nitrogen BAL 4-Gas Calibration Gas – 66L 1150 PSI C-10 Aluminum

66L 1150 PSI 4-Gas Calibration Cylinder – 15 PPM H₂S / 50 PPM CO / 18% Oxygen This 4-gas calibration cylinder is engineered for facilities that program lower toxic alarm thresholds and require verification of moderate oxygen-deficiency response...