50% LEL

Carbon Monoxide (CO) 200 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.0% / Nitrogen (N₂) BAL Calibration Gas – 11L 140 PSI Trigger Valve Aluminum

CO 200 PPM / CH₄ 2.5% (50% LEL) / O₂ 20.0% Calibration Gas – 11L Cylinder This ultra-compact calibration gas blend contains Carbon Monoxide (CO) 200 PPM, Methane (CH₄) 2.5% (50% LEL), and Oxygen (O₂) 20.0%, balanced in nitrogen to replicate...

Carbon Monoxide (CO) 200 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.0% / Nitrogen (N₂) BAL Calibration Gas – 120L 1050 PSI C-10 Aluminum

CO 200 PPM / CH₄ 2.5% (50% LEL) / O₂ 20.0% Calibration Gas – 120L Cylinder This calibration gas blend contains Carbon Monoxide (CO) 200 PPM, Methane (CH₄) 2.5% (50% LEL), and Oxygen (O₂) 20.0%, balanced in nitrogen to replicate near-atmospheric...

Carbon Monoxide (CO) 200 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.0% / Nitrogen (N₂) BAL Calibration Gas – 17L 240 PSI CGA-600 Steel

CO 200 PPM / CH₄ 2.5% (50% LEL) / O₂ 20.0% Calibration Gas – 17L Cylinder This calibration gas blend contains Carbon Monoxide (CO) 200 PPM, Methane (CH₄) 2.5% (50% LEL), and Oxygen (O₂) 20.0%, balanced in nitrogen to replicate near-atmospheric...

Carbon Monoxide (CO) 200 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.0% / Nitrogen (N₂) BAL Calibration Gas – 221L 250 PSI CGA-165 Steel

CO 200 PPM / CH₄ 2.5% (50% LEL) / O₂ 20.0% Calibration Gas – 221L Cylinder This calibration gas blend contains Carbon Monoxide (CO) 200 PPM, Methane (CH₄) 2.5% (50% LEL), and Oxygen (O₂) 20.0%, balanced in nitrogen to replicate near-atmospheric...

Carbon Monoxide (CO) 200 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.0% / Nitrogen (N₂) BAL Calibration Gas – 34L 500 PSI CGA-600 Steel

CO 200 PPM / CH₄ 2.5% (50% LEL) / O₂ 20.0% Calibration Gas – 34L Cylinder This calibration gas blend contains Carbon Monoxide (CO) 200 PPM, Methane (CH₄) 2.5% (50% LEL), and Oxygen (O₂) 20.0%, balanced in nitrogen to replicate near-atmospheric...

Carbon Monoxide (CO) 200 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.0% / Nitrogen (N₂) BAL Calibration Gas – 60L 1000 PSI C-10 Aluminum

CO 200 PPM / CH₄ 2.5% (50% LEL) / O₂ 20.0% Calibration Gas – 60L Cylinder This calibration gas blend contains Carbon Monoxide (CO) 200 PPM, Methane (CH₄) 2.5% (50% LEL), and Oxygen (O₂) 20.0%, balanced in nitrogen to replicate near-atmospheric...

Carbon Monoxide (CO) 200 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.0% / Nitrogen (N₂) BAL Calibration Gas – 66L 1150 PSI C-10 Aluminum

CO 200 PPM / CH₄ 2.5% (50% LEL) / O₂ 20.0% Calibration Gas – 66L Cylinder This calibration gas mixture contains Carbon Monoxide (CO) 200 PPM, Methane (CH₄) 2.5% (50% LEL), and Oxygen (O₂) 20.0%, balanced in nitrogen to replicate near-atmospheric...

Carbon Monoxide (CO) 200 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.0% / Nitrogen (N₂) BAL Calibration Gas – 680L 1800 PSI CGA Aluminum

CO 200 PPM / CH₄ 2.5% (50% LEL) / O₂ 20.0% Calibration Gas – 680L Cylinder This high-volume calibration gas blend contains Carbon Monoxide (CO) 200 PPM, Methane (CH₄) 2.5% (50% LEL), and Oxygen (O₂) 20.0%, balanced in nitrogen to replicate...

Carbon Monoxide (CO) 25 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen (N₂) BAL Calibration Gas – 66L 1150 PSI C-10 Aluminum

66L CO, CH₄ (50% LEL), and O₂ Calibration Gas – Standard Compliance Calibration This 66L calibration gas cylinder is designed for routine calibration and bump testing of multi-gas detectors, using a widely accepted 50% LEL methane concentration...

Carbon Monoxide (CO) 25 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen (N₂) BAL Custom Mix Calibration Gas – 103L 1000 PSI C-10 Steel

103L CO, CH₄ (50% LEL), and O₂ Custom Mix Calibration Gas – Routine Facility Standard This 103L custom calibration gas cylinder is designed for routine facility calibration programs that require both consistent supply and tailored gas composition...

Carbon Monoxide (CO) 25 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen (N₂) BAL Custom Mix Calibration Gas – 116L 1000 PSI C-10 Aluminum

116L CO, CH₄ (50% LEL), and O₂ Custom Mix Calibration Gas – Flexible Facility Option This 116L custom calibration gas cylinder is designed for facility calibration programs that require flexibility in both gas composition and cylinder handling. It...

Carbon Monoxide (CO) 25 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen (N₂) BAL Custom Mix Calibration Gas – 120L 1050 PSI C-10 Aluminum

120L CO, CH₄ (50% LEL), and O₂ Custom Mix Calibration Gas – Facility Standard This 120L custom calibration gas cylinder is designed for facility-level calibration programs requiring flexibility and consistent performance. It provides a balance...