5-Gas – Hydrogen Sulfide / Sulfur Dioxide / Carbon Monoxide / Methane / Oxygen / Nitrogen Calibration Gas Mixtures

Select an option... Hydrogen Sulfide 10 ppm / Sulfur Dioxide 5 ppm / Carbon Monoxide 50 ppm / Methane 2.5% (50% LEL) / Oxygen 18% / Nitrogen Hydrogen Sulfide 20 ppm / Sulfur Dioxide 60 ppm / Methane 1.45% (58% LEL Pentane Equiv.) / Oxygen 15% / Nitrogen Hydrogen Sulfide 25 ppm / Sulfur Dioxide 10 ppm / Carbon Monoxide 100 ppm / Methane 2.5% (50% LEL) / Oxygen 18% / Nitrogen