CH4 1.25% (50%-PEN Eq.)

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 1.25% (50% LEL Pentane Equivalent) / Oxygen (O₂) 18.0% / Nitrogen BAL 4-Gas Calibration Gas – 116L 1000 PSI C-10 Aluminum (Reactive)

4-Gas Calibration Mixture for Portable Gas Detector Calibration This multi-gas calibration mixture contains Hydrogen Sulfide (H₂S) 25 ppm, Carbon Monoxide (CO) 100 ppm, Methane (CH₄) 1.25% (50% LEL Pentane Equivalent), and Oxygen (O₂) 18.0% balanced...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 1.25% (50% LEL Pentane Equivalent) / Oxygen (O₂) 18.0% / Nitrogen BAL 4-Gas Calibration Gas – 120L 1050 PSI C-10 Aluminum (Reactive)

High-Capacity 4-Gas Calibration Gas for Multi-Detector Calibration Programs This 4-gas calibration mixture contains Hydrogen Sulfide (H₂S) 25 ppm, Carbon Monoxide (CO) 100 ppm, Methane (CH₄) 1.25% (50% LEL Pentane Equivalent), and Oxygen (O₂) 18.0%...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 1.25% (50% LEL Pentane Equivalent) / Oxygen (O₂) 18.0% / Nitrogen BAL 4-Gas Calibration Gas – 34L 500 PSI C-10 Aluminum (Reactive)

Compact 4-Gas Calibration Gas for Portable Detector Bump Testing This 4-gas calibration mixture contains Hydrogen Sulfide (H₂S) 25 ppm, Carbon Monoxide (CO) 100 ppm, Methane (CH₄) 1.25% (50% LEL Pentane Equivalent), and Oxygen (O₂) 18.0% balanced with...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 1.25% (50% LEL Pentane Equivalent) / Oxygen (O₂) 18.0% / Nitrogen BAL 4-Gas Calibration Gas – 44L 750 PSI C-10 Aluminum (Reactive)

Compact Quad Gas Calibration Gas for Portable Detector Calibration This 4-gas calibration mixture contains Hydrogen Sulfide (H₂S) 25 ppm, Carbon Monoxide (CO) 100 ppm, Methane (CH₄) 1.25% (50% LEL Pentane Equivalent), and Oxygen (O₂) 18.0% balanced with...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 1.25% (50% LEL Pentane Equivalent) / Oxygen (O₂) 18.0% / Nitrogen BAL 4-Gas Calibration Gas – 60L 1000 PSI C-10 Aluminum (Reactive)

Portable Quad Gas Calibration Gas for Multi-Gas Detector Testing This 4-gas calibration mixture contains Hydrogen Sulfide (H₂S) 25 ppm, Carbon Monoxide (CO) 100 ppm, Methane (CH₄) 1.25% (50% LEL Pentane Equivalent), and Oxygen (O₂) 18.0% balanced with...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 100 PPM / Methane (CH₄) 1.25% (50% LEL Pentane Equivalent) / Oxygen (O₂) 18.0% / Nitrogen BAL 4-Gas Calibration Gas – 66L 1150 PSI C-10 Aluminum (Reactive)

Quad Gas Calibration Gas for Portable Multi-Gas Detector Verification This 4-gas calibration mixture contains Hydrogen Sulfide (H₂S) 25 ppm, Carbon Monoxide (CO) 100 ppm, Methane (CH₄) 1.25% (50% LEL Pentane Equivalent), and Oxygen (O₂) 18.0% balanced...