Industrial Scientific 1810-3937 Calibration Gas: 25% LEL Pentane, 19% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen
Industrial Scientific 1810-4331 Calibration Gas: 40% LEL Methane, 19% Oxygen, 25 ppm Hydrogen Sulfide, Balance Nitrogen
Industrial Scientific 1810-4448 Calibration Gas: 25% LEL Pentane, 19% Oxygen, 50 ppm Carbon Monoxide, Balance Nitrogen
Industrial Scientific 1810-4455 Calibration Gas: 50% LEL Pentane, 19% Oxygen, 50 ppm Carbon Monoxide, Balance Nitrogen
Industrial Scientific 1810-4463 Calibration Gas: 25% LEL Pentane, 19% Oxygen, 50 ppm Carbon Monoxide, Balance Nitrogen
Industrial Scientific 1810-4521 Calibration Gas: 25% LEL Pentane, 19% Oxygen, 100 ppm Carbon Monoxide, 5% Carbon Dioxide, Balance Nitrogen
Industrial Scientific 1810-5122 Calibration Gas: 50% LEL Propane, 18% Oxygen, 50 ppm Carbon Monoxide, Balance Nitrogen
Industrial Scientific 1810-5262 Calibration Gas: 50% LEL Methane, 20.9% Oxygen, 50 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Air
Industrial Scientific 1810-5536 Calibration Gas: 50% LEL Methane, 19% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen
Industrial Scientific 1810-5635 Calibration Gas: 50% LEL Methane, 16% Oxygen, 100 ppm Carbon Monoxide, 50 ppm Hydrogen Sulfide, Balance Nitrogen
Industrial Scientific 1810-5676 Calibration Gas: 25% LEL Pentane, 15% Oxygen, 100 ppm Carbon Monoxide, Balance Nitrogen
Industrial Scientific 1810-5825 Bump Test Gas: 25% LEL Methane, 15% Oxygen, 200 ppm Carbon Monoxide, 75 ppm Hydrogen Sulfide, Balance Nitrogen
Industrial Scientific 1810-6179 Calibration Gas: 50% LEL Propane, 19% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen
Industrial Scientific 1810-6773 Calibration Gas: 25% LEL Pentane, 19% Oxygen, 100 ppm Carbon Monoxide, 5 ppm Nitrogen Dioxide, Balance Nitrogen
Industrial Scientific 1810-6781 Calibration Gas: 25% LEL Methane, 19% Oxygen, 100 ppm Carbon Monoxide, 5 ppm Nitrogen Dioxide, Balance Nitrogen
