H2S-CO-Methane-O2

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 250 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL 4-Gas Calibration Gas – 116L C-10

4-Gas Calibration Gas – 25 PPM H2S / 250 PPM CO / 2.5% (50% LEL) CH4 / 20.9% O2 – 116L C-10 Cylinder This 4-gas calibration gas blend is engineered for sustained elevated carbon monoxide threshold validation in large-scale industrial and...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 250 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL 4-Gas Calibration Gas – 120L C-10

4-Gas Calibration Gas – 25 PPM H2S / 250 PPM CO / 2.5% (50% LEL) CH4 / 20.9% O2 – 120L C-10 Cylinder This 4-gas calibration gas blend is engineered for elevated carbon monoxide threshold validation in large industrial and combustion-driven...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 250 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL 4-Gas Calibration Gas – 34L C-10

4-Gas Calibration Gas – 25 PPM H2S / 250 PPM CO / 2.5% (50% LEL) CH4 / 20.9% O2 – 34L C-10 Cylinder This 4-gas calibration gas blend is engineered for elevated carbon monoxide alarm validation in portable and contractor-based safety programs...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 250 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL 4-Gas Calibration Gas – 44L C-10

4-Gas Calibration Gas – 25 PPM H2S / 250 PPM CO / 2.5% (50% LEL) CH4 / 20.9% O2 – 44L C-10 Cylinder This 4-gas calibration gas blend is engineered for elevated carbon monoxide alarm validation under normal atmospheric oxygen conditions...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 250 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL 4-Gas Calibration Gas – 60L C-10

4-Gas Calibration Gas – 25 PPM H2S / 250 PPM CO / 2.5% (50% LEL) CH4 / 20.9% O2 – 60L C-10 Cylinder This 4-gas calibration gas blend is engineered for high carbon monoxide threshold validation in industrial and combustion-heavy environments...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 250 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL 4-Gas Calibration Gas – 66L C-10

4-Gas Calibration Gas – 25 PPM H2S / 250 PPM CO / 2.5% (50% LEL) CH4 / 20.9% O2 – 66L C-10 Cylinder This 4-gas calibration gas blend is engineered for high carbon monoxide alarm validation in industrial combustion and process safety...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 300 PPM / Methane (CH₄) 1.45% (58% LEL Pentane Equivalent) / Oxygen (O₂) 15.0% / Nitrogen BAL 4-Gas Calibration Gas – 116L 1000 PSI C-10 Aluminum (Reactive)

4-Gas Calibration Gas for Portable Multi-Gas Detector Calibration (H₂S / CO / CH₄ / O₂) This four-gas calibration mixture is designed to verify the performance of portable gas detectors used to monitor toxic gases, combustible gases, and oxygen...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 300 PPM / Methane (CH₄) 1.45% (58% LEL Pentane Equivalent) / Oxygen (O₂) 15.0% / Nitrogen BAL 4-Gas Calibration Gas – 34L 500 PSI C-10 Aluminum (Disposable, Reactive)

4-Gas Calibration Gas for Portable Gas Detector Calibration (H₂S / CO / CH₄ / O₂) This four-gas calibration mixture is designed to verify the response accuracy of portable gas detectors used to monitor toxic gases, combustible gases, and oxygen levels...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 300 PPM / Methane (CH₄) 1.45% (58% LEL Pentane Equivalent) / Oxygen (O₂) 15.0% / Nitrogen BAL 4-Gas Calibration Gas – 44L 750 PSI C-10 Aluminum (Reactive)

4-Gas Calibration Gas for Portable Multi-Gas Detector Calibration (H₂S / CO / CH₄ / O₂) This four-gas calibration mixture is designed to verify the response of portable gas detectors used to monitor toxic gases, combustible gases, and oxygen...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 300 PPM / Methane (CH₄) 1.45% (58% LEL Pentane Equivalent) / Oxygen (O₂) 15.0% / Nitrogen BAL 4-Gas Calibration Gas – 60L 1000 PSI C-10 Aluminum (Reactive)

4-Gas Calibration Gas for Portable Gas Detector Testing (H₂S / CO / CH₄ / O₂) This four-gas calibration mixture is formulated to verify the response accuracy of portable gas detectors used to monitor toxic gases, combustible gases, and oxygen...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 300 PPM / Methane (CH₄) 1.45% (58% LEL Pentane Equivalent) / Oxygen (O₂) 15.0% / Nitrogen BAL 4-Gas Calibration Gas – 66L 1150 PSI C-10 Aluminum (Reactive)

4-Gas Calibration Gas for Portable Multi-Gas Detector Calibration (H₂S / CO / CH₄ / O₂) This four-gas calibration mixture is formulated to verify the performance of portable gas detectors used to monitor toxic gases, combustible gases, and oxygen...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 300 PPM / Methane (CH₄) 1.45% (58% LEL Pentane Equivalent) / Oxygen (O₂) 15.0% / Nitrogen BAL Calibration Gas – 120L 1050 PSI C-10 Aluminum (Reactive)

4-Gas Calibration Gas for Portable Gas Detector Calibration (H₂S / CO / CH₄ / O₂) This four-gas calibration mixture is designed to verify the performance of portable gas detectors used to monitor toxic gases, combustible gases, and oxygen concentrations...