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Industrial Scientific 1810-6914 Calibration Gas: 32.4% LEL Methane, 18% Oxygen, 50 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-6914 Calibration Gas: 32.4% LEL Methane, 18% Oxygen, 50 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

$199.95
Industrial Scientific 1810-7847 Calibration Gas: 40% LEL Methane, 19% Oxygen, 100 ppm Carbon Monoxide, Balance Nitrogen

Industrial Scientific 1810-7847 Calibration Gas: 40% LEL Methane, 19% Oxygen, 100 ppm Carbon Monoxide, Balance Nitrogen

$119.95
Industrial Scientific 1810-7995 Calibration Gas: 25% LEL Pentane, 19% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, 2.5% Carbon Dioxide, Balance Nitrogen

Industrial Scientific 1810-7995 Calibration Gas: 25% LEL Pentane, 19% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, 2.5% Carbon Dioxide, Balance Nitrogen

$199.95
Industrial Scientific 1810-8035 Calibration Gas: 50% LEL Methane, 19% Oxygen, 250 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-8035 Calibration Gas: 50% LEL Methane, 19% Oxygen, 250 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

$199.95
Industrial Scientific 1810-8548 Calibration Gas: 2.5% vol. Methane, 19% Oxygen, 100 ppm Carbon Monoxide, 2.5% Carbon Dioxide, Balance Nitrogen

Industrial Scientific 1810-8548 Calibration Gas: 2.5% vol. Methane, 19% Oxygen, 100 ppm Carbon Monoxide, 2.5% Carbon Dioxide, Balance Nitrogen

$119.95
Industrial Scientific 1810-8571 Calibration Gas: 2.5% vol. Methane, 19% Oxygen, 100 ppm Carbon Monoxide, 5 ppm Nitrogen Dioxide, Balance Nitrogen

Industrial Scientific 1810-8571 Calibration Gas: 2.5% vol. Methane, 19% Oxygen, 100 ppm Carbon Monoxide, 5 ppm Nitrogen Dioxide, Balance Nitrogen

$199.95
Industrial Scientific 1810-9077 Calibration Gas: 25% LEL Pentane, 19% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-9077 Calibration Gas: 25% LEL Pentane, 19% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

$359.95
Industrial Scientific 1810-9080 Calibration Gas: 2.5% vol. Methane, 19% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-9080 Calibration Gas: 2.5% vol. Methane, 19% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

$359.95
Industrial Scientific 1810-9083 Calibration Gas: 25% LEL Pentane, 19% Oxygen, 25 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-9083 Calibration Gas: 25% LEL Pentane, 19% Oxygen, 25 ppm Hydrogen Sulfide, Balance Nitrogen

$359.95
Industrial Scientific 1810-9092 Calibration Gas: 2.5% vol. Methane, 19% Oxygen, 25 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-9092 Calibration Gas: 2.5% vol. Methane, 19% Oxygen, 25 ppm Hydrogen Sulfide, Balance Nitrogen

$359.95
Industrial Scientific 1810-9101 Calibration Gas: 50% LEL Methane, 20.9% Oxygen, 50 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Air

Industrial Scientific 1810-9101 Calibration Gas: 50% LEL Methane, 20.9% Oxygen, 50 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Air

$359.95
Industrial Scientific 1810-9103 Calibration Gas: 50% LEL Methane, 16% Oxygen, 100 ppm Carbon Monoxide, 50 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-9103 Calibration Gas: 50% LEL Methane, 16% Oxygen, 100 ppm Carbon Monoxide, 50 ppm Hydrogen Sulfide, Balance Nitrogen

$359.95
Industrial Scientific 1810-9155 Calibration Gas: 25% LEL Pentane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-9155 Calibration Gas: 25% LEL Pentane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

$199.95
Industrial Scientific 1810-9156 Calibration Gas: 2.5% vol. Methane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-9156 Calibration Gas: 2.5% vol. Methane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

$199.95
Industrial Scientific 1810-9157 Calibration Gas: 25% LEL Pentane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-9157 Calibration Gas: 25% LEL Pentane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

$359.95
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