CH4 1.45% (58%-PEN Eq.)

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...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 1.45% (58% LEL Pentane Equivalent) / Oxygen (O₂) 18.0% / Nitrogen BAL 4-Gas Calibration Gas – 116L 1000 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 for verifying the response of portable gas detectors used to monitor toxic gases, combustible gases, and oxygen levels in...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 1.45% (58% LEL Pentane Equivalent) / Oxygen (O₂) 18.0% / Nitrogen BAL 4-Gas Calibration Gas – 120L 1050 PSI C-10 Aluminum (Reactive)

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

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 1.45% (58% LEL Pentane Equivalent) / Oxygen (O₂) 18.0% / 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 performance of portable gas detectors used to monitor toxic gases, combustible gases, and oxygen concentrations...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 1.45% (58% LEL Pentane Equivalent) / Oxygen (O₂) 18.0% / Nitrogen BAL 4-Gas Calibration Gas – 44L 750 PSI C-10 Aluminum (Reactive)

4-Gas Calibration Gas for Portable Gas Detector Verification (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) 50 PPM / Methane (CH₄) 1.45% (58% LEL Pentane Equivalent) / Oxygen (O₂) 18.0% / Nitrogen BAL 4-Gas Calibration Gas – 60L 1000 PSI C-10 Aluminum (Reactive)

4-Gas Calibration Gas for Portable Multi-Gas Detector Testing (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 levels in...

Hydrogen Sulfide (H₂S) 25 PPM / Carbon Monoxide (CO) 50 PPM / Methane (CH₄) 1.45% (58% LEL Pentane Equivalent) / Oxygen (O₂) 18.0% / 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 designed to verify the performance of portable gas detectors used to monitor toxic gases, combustible gases, and oxygen levels...