50% LEL

Carbon Monoxide (CO) 50 PPM / Carbon Dioxide (CO₂) 5,000 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL 66L 1150 PSI Calibration Gas – Custom Mix

66L 4-Gas Calibration Gas for CO, Low-Level CO₂, CH₄ (LEL), and O₂ Detection This 66L calibration gas cylinder is designed for calibration of detectors measuring Carbon Monoxide (CO) 50 PPM, Carbon Dioxide (CO₂) 5,000 PPM, Methane (CH₄) 2.5% (50% LEL),...

Carbon Monoxide (CO) 50 PPM / Carbon Dioxide (CO₂) 5,000 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL 680L 1800 PSI Calibration Gas – Custom Mix

680L 4-Gas Calibration Gas for CO, Low-Level CO₂, CH₄ (LEL), and O₂ Detection This 680L calibration gas cylinder is designed for calibration of detectors measuring Carbon Monoxide (CO) 50 PPM, Carbon Dioxide (CO₂) 5,000 PPM, Methane (CH₄) 2.5% (50%...

Carbon Monoxide (CO) 50 PPM / Carbon Dioxide (CO₂) 5.0% / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.0% / Nitrogen BAL 103L 1000 PSI Calibration Gas – Custom Mix

103L 4-Gas Calibration Gas for Confined Space and Multi-Gas Detection This 103L calibration gas cylinder is designed for calibration of detectors measuring Carbon Monoxide (CO) 50 PPM, Carbon Dioxide (CO₂) 5.0%, Methane (CH₄) 2.5% (50% LEL), and Oxygen...

Carbon Monoxide (CO) 50 PPM / Carbon Dioxide (CO₂) 5.0% / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.0% / Nitrogen BAL 116L 1000 PSI Calibration Gas – Custom Mix

116L 4-Gas Calibration Gas for Confined Space and Multi-Gas Detection This 116L calibration gas cylinder is designed for calibration of detectors measuring Carbon Monoxide (CO) 50 PPM, Carbon Dioxide (CO₂) 5.0%, Methane (CH₄) 2.5% (50% LEL), and Oxygen...

Carbon Monoxide (CO) 50 PPM / Carbon Dioxide (CO₂) 5.0% / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.0% / Nitrogen BAL 11L 140 PSI Calibration Gas – Custom Mix

11L 4-Gas Calibration Gas with Trigger Valve for Confined Space Simulation This 11L calibration gas cylinder is designed for calibration of detectors measuring Carbon Monoxide (CO) 50 PPM, Carbon Dioxide (CO₂) 5.0%, Methane (CH₄) 2.5% (50% LEL), and...

Carbon Monoxide (CO) 50 PPM / Carbon Dioxide (CO₂) 5.0% / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.0% / Nitrogen BAL 120L 1050 PSI Calibration Gas – Custom Mix

120L 4-Gas Calibration Gas for Confined Space and Multi-Gas Detection This 120L calibration gas cylinder is designed for calibration of detectors measuring Carbon Monoxide (CO) 50 PPM, Carbon Dioxide (CO₂) 5.0%, Methane (CH₄) 2.5% (50% LEL), and Oxygen...

Carbon Monoxide (CO) 50 PPM / Carbon Dioxide (CO₂) 5.0% / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.0% / Nitrogen BAL 17L 240 PSI Calibration Gas – Custom Mix

17L 4-Gas Calibration Gas for Portable Confined Space Simulation This 17L calibration gas cylinder is designed for calibration of detectors measuring Carbon Monoxide (CO) 50 PPM, Carbon Dioxide (CO₂) 5.0%, Methane (CH₄) 2.5% (50% LEL), and Oxygen (O₂)...

Carbon Monoxide (CO) 50 PPM / Carbon Dioxide (CO₂) 5.0% / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.0% / Nitrogen BAL 221L 250 PSI Calibration Gas – Custom Mix

221L 4-Gas Calibration Gas for Confined Space and Multi-Gas Detection This 221L calibration gas cylinder is designed for calibration of detectors measuring Carbon Monoxide (CO) 50 PPM, Carbon Dioxide (CO₂) 5.0%, Methane (CH₄) 2.5% (50% LEL), and Oxygen...

Carbon Monoxide (CO) 50 PPM / Carbon Dioxide (CO₂) 5.0% / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.0% / Nitrogen BAL 34L 500 PSI Calibration Gas – Custom Mix

34L 4-Gas Calibration Gas for Portable Confined Space Simulation This 34L calibration gas cylinder is designed for calibration of detectors measuring Carbon Monoxide (CO) 50 PPM, Carbon Dioxide (CO₂) 5.0%, Methane (CH₄) 2.5% (50% LEL), and Oxygen (O₂)...

Carbon Monoxide (CO) 50 PPM / Carbon Dioxide (CO₂) 5.0% / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.0% / Nitrogen BAL 60L 1000 PSI Calibration Gas – Custom Mix

60L 4-Gas Calibration Gas for Confined Space and Multi-Gas Detection This 60L calibration gas cylinder is designed for calibration of detectors measuring Carbon Monoxide (CO) 50 PPM, Carbon Dioxide (CO₂) 5.0%, Methane (CH₄) 2.5% (50% LEL), and Oxygen...

Carbon Monoxide (CO) 50 PPM / Carbon Dioxide (CO₂) 5.0% / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.0% / Nitrogen BAL 66L 1150 PSI Calibration Gas – Custom Mix

66L 4-Gas Calibration Gas for CO, CO₂, CH₄ (LEL), and O₂ Detection This 66L calibration gas cylinder is engineered for advanced calibration scenarios requiring Carbon Monoxide (CO) 50 PPM, Carbon Dioxide (CO₂) 5.0%, Methane (CH₄) 2.5% (50% LEL), and...

Carbon Monoxide (CO) 50 PPM / Carbon Dioxide (CO₂) 5.0% / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 18.0% / Nitrogen BAL Calibration Gas – 680L

680L 4-Gas Calibration Gas for Multi-Gas Detector Accuracy & Compliance Built for extended calibration intervals and high-volume usage, this 680L calibration gas cylinder contains a precise blend of Carbon Monoxide (CO) 50 PPM, Carbon Dioxide (CO₂)...