O2 19.0%

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 1.62% (32% LEL) / Oxygen (O₂) 19.0% / Nitrogen BAL 4-Gas Calibration Gas – 66L 1150 PSI C-10 Aluminum (Reactive)

4-Gas Calibration Mixture for Portable Gas Detector Testing (H₂S / CO / CH₄ / O₂) This four-component calibration gas blend is designed to confirm the performance of portable gas detectors that monitor toxic gases, combustible gases, and oxygen levels...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 1.62% (50% LEL LPG Equivalent) / Oxygen (O₂) 19.0% / Nitrogen BAL 4-Gas Calibration Gas – 116L 1000 PSI C-10 Aluminum (Reactive)

116L LPG-Equivalent 4-Gas Calibration Gas – 25 PPM H₂S with 19.0% Oxygen This 116L reactive 4-gas calibration cylinder is designed for industrial and confined space gas detector calibration where oxygen-deficiency conditions and LPG-equivalent...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 1.62% (50% LEL LPG Equivalent) / Oxygen (O₂) 19.0% / Nitrogen BAL 4-Gas Calibration Gas – 120L 1050 PSI C-10 Aluminum (Reactive)

120L LPG-Equivalent 4-Gas Calibration Gas – 25 PPM H₂S with 19.0% Oxygen This 120L reactive 4-gas calibration cylinder is designed for large-scale confined space detector calibration programs where oxygen-deficiency conditions and LPG-equivalent...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 1.62% (50% LEL LPG Equivalent) / Oxygen (O₂) 19.0% / Nitrogen BAL 4-Gas Calibration Gas – 34L 500 PSI C-10 Aluminum Disposable (Reactive)

34L Disposable 4-Gas Calibration Gas – LPG Equivalent LEL with 19.0% O₂ This 34L disposable reactive 4-gas calibration cylinder is designed for confined space gas detector calibration and bump testing where oxygen-deficiency conditions and...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 1.62% (50% LEL LPG Equivalent) / Oxygen (O₂) 19.0% / Nitrogen BAL 4-Gas Calibration Gas – 44L 750 PSI C-10 Aluminum (Reactive)

44L Portable LPG-Equivalent 4-Gas Calibration Gas – 25 PPM H₂S with 19.0% O₂ This 44L reactive 4-gas calibration cylinder is engineered for portable gas detector calibration in confined space and industrial safety programs. The blend includes 25...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 1.62% (50% LEL LPG Equivalent) / Oxygen (O₂) 19.0% / Nitrogen BAL 4-Gas Calibration Gas – 60L 1000 PSI C-10 Aluminum (Reactive)

60L LPG-Equivalent 4-Gas Calibration Gas – 25 PPM H₂S with 19.0% O₂ This 60L reactive 4-gas calibration cylinder is formulated for confined space and industrial safety detector calibration where oxygen-deficiency conditions and LPG-equivalent...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 1.62% (50% LEL LPG Equivalent) / Oxygen (O₂) 19.0% / Nitrogen BAL 4-Gas Calibration Gas – 66L 1150 PSI C-10 Aluminum (Reactive)

66L 4-Gas Calibration Gas – LPG Equivalent LEL with 19.0% Oxygen This 66L reactive 4-gas calibration cylinder is designed for confined space and industrial gas detector calibration where oxygen-deficiency and LPG-equivalent combustible conditions...