Biosystems 54-9042E Calibration Gas: 1.62% vol. Methane, 50% LEL Propane, (50% LEL Propane Equivalent), 18% Oxygen, 50 ppm Carbon Monoxide, Balance Nitrogen
Biosystems 54-9044E Calibration Gas: 1.62% vol. Methane, 50% LEL Propane, (50% LEL Propane Equivalent), 18% Oxygen, 50 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen
Biosystems 54-9045E Calibration Gas: 1.62% vol. Methane, 50% LEL Propane, (50% LEL Propane Equivalent), 18% Oxygen, 50 ppm Carbon Monoxide, Balance Nitrogen
Biosystems 54-9049E Calibration Gas: 1.62% vol. Methane, 50% LEL Propane, (50% LEL Propane Equivalent), 18% Oxygen, 50 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen