O2 12.0%

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 12.0% / Nitrogen BAL 4-Gas Calibration Gas – 116L 1000 PSI C-10 Aluminum – Custom Mix

116L 1000 PSI 4-Gas Calibration Cylinder – 12.0% Oxygen Extreme Deficiency Blend This custom 4-gas calibration mixture is engineered for structured safety programs requiring validation of detector performance under extreme oxygen depletion...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 12.0% / Nitrogen BAL 4-Gas Calibration Gas – 120L 1050 PSI C-10 Aluminum – Custom Mix

120L 1050 PSI 4-Gas Calibration Gas – 12.0% Oxygen Extreme Deficiency Blend This custom 4-gas calibration cylinder is engineered for sustained validation of multi-gas detector performance under extreme oxygen depletion conditions. With oxygen...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 12.0% / Nitrogen BAL 4-Gas Calibration Gas – 34L 500 PSI C-10 Aluminum – Custom Mix

34L 500 PSI 4-Gas Calibration Cylinder – 12.0% Oxygen Extreme Deficiency This custom 4-gas calibration gas is engineered for short-cycle validation of multi-gas detector performance under highly depleted oxygen environments. At 12.0% oxygen, this...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 12.0% / Nitrogen BAL 4-Gas Calibration Gas – 44L 750 PSI C-10 Aluminum – Custom Mix

44L 750 PSI 4-Gas Calibration Cylinder – 12.0% Oxygen Extreme Deficiency This custom 4-gas calibration mixture is engineered for validation of multi-gas detectors under highly depleted oxygen conditions in a field-manageable cylinder format. With...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 12.0% / Nitrogen BAL 4-Gas Calibration Gas – 60L 1000 PSI C-10 Aluminum – Custom Mix

60L 1000 PSI 4-Gas Calibration Cylinder – 12.0% Oxygen Extreme Deficiency Blend This custom 4-gas calibration gas is formulated for validation of detector performance under substantially depleted oxygen environments. With oxygen set at 12.0%,...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 12.0% / Nitrogen BAL 4-Gas Calibration Gas – 66L 1150 PSI C-10 Aluminum – Custom Mix

66L 1150 PSI 4-Gas Calibration Gas – 12.0% Oxygen Extreme Deficiency Blend This custom 4-gas calibration cylinder is engineered for validation of multi-gas detector performance under extreme oxygen depletion conditions. At 12.0% oxygen, this...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 15.0% / Nitrogen BAL 4-Gas Calibration Gas – 66L 1150 PSI C-10 Aluminum – Custom Mix

66L 1150 PSI 4-Gas Calibration Gas – 15.0% Oxygen Severe Deficiency Blend This custom 4-gas calibration mixture is engineered for programs requiring validation of detector performance under substantial oxygen displacement conditions. At 15.0%...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 12.0% / Nitrogen BAL 4-Gas Calibration Gas – 116L C-10

4-Gas Calibration Gas – 25 PPM H2S / 50 PPM CO / 2.5% (50% LEL) CH4 / 12.0% O2 – 116L C-10 Cylinder This 4-gas calibration gas blend is engineered for sustained extreme oxygen-deficiency simulation across large industrial and emergency...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 12.0% / Nitrogen BAL 4-Gas Calibration Gas – 44L C-10

4-Gas Calibration Gas – 25 PPM H2S / 50 PPM CO / 2.5% (50% LEL) CH4 / 12.0% O2 – 44L C-10 Cylinder This 4-gas calibration gas blend is engineered for portable extreme oxygen-deficiency simulation in confined space and emergency preparedness...