E-Gas Depot

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 15.0% / N₂ BAL Calibration Gas – 34L

Four-Gas Calibration Mixture for Confined-Space & Plant Safety Programs This 4-gas calibration mixture combines Hydrogen Sulfide (H₂S), Carbon Monoxide (CO), Methane (CH₄), and Oxygen (O₂) in a...

Hydrogen Sulfide (H₂S) 75 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 16.0% / Nitrogen BAL Calibration Gas – 120L – Custom Mix

4 Gas H2S CO CH4 O2 Calibration Gas – 120L Cylinder Built for crews performing continuous monitoring or high-volume bump testing, this 4-gas calibration mixture verifies toxic,...

Hydrogen Sulfide (H₂S) 5 PPM / Carbon Monoxide (CO) 100 PPM /Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL Calibration Gas – 66L – Custom Mix

Low H2S 4 Gas Calibration Gas – 66L Cylinder This custom four-gas calibration mixture is engineered for detectors requiring low hydrogen sulfide verification levels. The reduced 5 ppm H₂S...

Hydrogen Sulfide (H₂S) 5 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL Calibration Gas – 60L – Custom Mix

Low H2S 4 Gas Calibration Gas – 60L Cylinder This custom four-gas calibration mixture is designed for detectors requiring low hydrogen sulfide verification levels. The 5 ppm H₂S concentration...

Hydrogen Sulfide (H₂S) 5 PPM / Carbon Monoxide (CO) 100 PPM /Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL Calibration Gas – 44L – Custom Mix

Low H2S 4 Gas Calibration Gas – 44L Cylinder This custom four-gas calibration mixture allows verification of detectors requiring low hydrogen sulfide test concentrations. The 5 ppm H₂S level...

Hydrogen Sulfide (H₂S) 5 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL Calibration Gas – 34L – Custom Mix

Low H2S 4 Gas Calibration Gas – 34L Cylinder This custom four-gas calibration mixture verifies detector response at very low hydrogen sulfide levels. The 5 ppm H₂S concentration confirms early...

Hydrogen Sulfide (H₂S) 5 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL)/ Oxygen (O₂) 20.9% / Nitrogen BAL Calibration Gas – 120L – Custom Mix

Low H2S 4 Gas Calibration Gas – 120L Cylinder This custom four-gas calibration mixture verifies detector sensitivity at low hydrogen sulfide levels while confirming carbon monoxide and...

Hydrogen Sulfide (H₂S) 5 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL Calibration Gas – 116L – Custom Mix

Low H2S 4 Gas Calibration Gas – 116L Cylinder This custom four-gas calibration mixture confirms detector sensitivity at low hydrogen sulfide concentrations while validating carbon monoxide and...

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 200 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL Calibration Gas – 66L

High CO 4 Gas Calibration Gas – 66L Cylinder This four-gas calibration mixture is designed to confirm detector response at elevated carbon monoxide alarm levels while validating hydrogen...

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 200 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL Calibration Gas – 60L

High CO 4 Gas Calibration Gas – 60L Cylinder This four-gas calibration mixture confirms detector response at elevated carbon monoxide alarm levels while verifying hydrogen sulfide and...

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 200 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL Calibration Gas – 44L

High CO 4 Gas Calibration Gas – 44L Cylinder This four-gas calibration mixture is designed to validate elevated carbon monoxide alarm thresholds while confirming hydrogen sulfide and...

Hydrogen Sulfide (H₂S) 40 PPM / Carbon Monoxide (CO) 200 PPM / Methane (CH₄) 2.5% (50% LEL) / Oxygen (O₂) 20.9% / Nitrogen BAL Calibration Gas – 34L

High CO 4 Gas Calibration Gas – 34L Cylinder This four-gas calibration mixture verifies detector response at elevated carbon monoxide alarm thresholds while confirming hydrogen sulfide and...