Industrial Scientific 1810-2243 Equivalent Calibration Gas: 50% LEL Methane, 19% Oxygen, 50 ppm Carbon Monoxide, Balance Nitrogen
Industrial Scientific 1810-2324 Equivalent Calibration Gas: 25% LEL Pentane, 19% Oxygen, 250 ppm Carbon Monoxide, Balance Nitrogen
Industrial Scientific 1810-3473 Equivalent Calibration Gas: 25% LEL Pentane, 19% Oxygen, 100 ppm Carbon Monoxide, 2.5% Carbon Dioxide, Balance Nitrogen
Industrial Scientific 1810-3937 Equivalent Calibration Gas: 25% LEL Pentane, 19% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen
Industrial Scientific 1810-4331 Equivalent Calibration Gas: 40% LEL Methane, 19% Oxygen, 25 ppm Hydrogen Sulfide, Balance Nitrogen
Industrial Scientific 1810-4448 Equivalent Calibration Gas: 25% LEL Pentane, 19% Oxygen, 50 ppm Carbon Monoxide, Balance Nitrogen
Industrial Scientific 1810-4455 Equivalent Calibration Gas: 50% LEL Pentane, 19% Oxygen, 50 ppm Carbon Monoxide, Balance Nitrogen
Industrial Scientific 1810-4463 Equivalent Calibration Gas: 25% LEL Pentane, 19% Oxygen, 50 ppm Carbon Monoxide, Balance Nitrogen
Industrial Scientific 1810-4521 Equivalent Calibration Gas: 25% LEL Pentane, 19% Oxygen, 100 ppm Carbon Monoxide, 5% Carbon Dioxide, Balance Nitrogen
Industrial Scientific 1810-5536 Equivalent Calibration Gas: 50% LEL Methane, 19% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen
Industrial Scientific 1810-6179 Equivalent Calibration Gas: 50% LEL Propane, 19% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen
Industrial Scientific 1810-6773 Equivalent Calibration Gas: 25% LEL Pentane, 19% Oxygen, 100 ppm Carbon Monoxide, 5 ppm Nitrogen Dioxide, Balance Nitrogen
Industrial Scientific 1810-6781 Equivalent Calibration Gas: 25% LEL Methane, 19% Oxygen, 100 ppm Carbon Monoxide, 5 ppm Nitrogen Dioxide, Balance Nitrogen
Industrial Scientific 1810-6799 Equivalent Calibration Gas: 25% LEL Pentane, 19% Oxygen, 25 ppm Hydrogen Sulfide, 5 ppm Sulfur Dioxide, Balance Nitrogen
Industrial Scientific 1810-6807 Equivalent Calibration Gas: 25% LEL Methane, 19% Oxygen, 25 ppm Hydrogen Sulfide, 5 ppm Sulfur Dioxide, Balance Nitrogen
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