Industrial Scientific 1810-7847 Equivalent Calibration Gas: 40% LEL Methane, 19% Oxygen, 100 ppm Carbon Monoxide, Balance Nitrogen
Industrial Scientific 1810-7995 Equivalent Calibration Gas: 25% LEL Pentane, 19% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, 2.5% Carbon Dioxide, Balance Nitrogen
Industrial Scientific 1810-8035 Equivalent Calibration Gas: 50% LEL Methane, 19% Oxygen, 250 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen
Industrial Scientific 1810-8548 Equivalent Calibration Gas: 2.5% vol. Methane, 19% Oxygen, 100 ppm Carbon Monoxide, 2.5% Carbon Dioxide, Balance Nitrogen
Industrial Scientific 1810-8571 Equivalent Calibration Gas: 2.5% vol. Methane, 19% Oxygen, 100 ppm Carbon Monoxide, 5 ppm Nitrogen Dioxide, Balance Nitrogen
Industrial Scientific 1810-9077 Equivalent Calibration Gas: 25% LEL Pentane, 19% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen
Industrial Scientific 1810-9080 Equivalent Calibration Gas: 2.5% vol. Methane, 19% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen
Industrial Scientific 1810-9083 Equivalent Calibration Gas: 25% LEL Pentane, 19% Oxygen, 25 ppm Hydrogen Sulfide, Balance Nitrogen
Industrial Scientific 1810-9092 Equivalent Calibration Gas: 2.5% vol. Methane, 19% Oxygen, 25 ppm Hydrogen Sulfide, Balance Nitrogen
Lumidor GFV279 Calibration Gas: 50% LEL Methane, 19% Oxygen, 50 ppm Carbon Monoxide, 10 ppm Sulfur Dioxide, Balance Nitrogen
MSA 10007047 Calibration Gas: 0.35% vol. Pentane, 19% Oxygen, 100 ppm Carbon Monoxide, Balance Nitrogen
MSA 10007049 Calibration Gas: 0.35% vol. Pentane, 19% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen
RKI Instruments 81-0091RK Calibration Gas: 25% LEL Pentane, 19% O2, 100 ppm CO, Balance Nitrogen
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