Industrial Scientific 1810-5114 Methane 10% LEL Equivalent Calibration Gas - 0.5% vol. (CH4)
Industrial Scientific 1810-5122 Equivalent Calibration Gas: 50% LEL Propane, 18% Oxygen, 50 ppm Carbon Monoxide, Balance Nitrogen
Industrial Scientific 1810-5262 Equivalent Calibration Gas: 50% LEL Methane, 20.9% Oxygen, 50 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Air
Industrial Scientific 1810-5452 Nitrogen Dioxide Equivalent Calibration Gas - 25 ppm (NO2) 34L
Industrial Scientific 1810-5536 Equivalent Calibration Gas: 50% LEL Methane, 19% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen
Industrial Scientific 1810-5593 Ammonia Equivalent Calibration Gas - 25 ppm (NH3) 34L
Industrial Scientific 1810-5635 Equivalent Calibration Gas: 50% LEL Methane, 16% Oxygen, 100 ppm Carbon Monoxide, 50 ppm Hydrogen Sulfide, Balance Nitrogen
Industrial Scientific 1810-5676 Equivalent Calibration Gas: 25% LEL Pentane, 15% Oxygen, 100 ppm Carbon Monoxide, Balance Nitrogen
Industrial Scientific 1810-5700 Butadiene Equivalent Calibration Gas - 5 ppm (C4H6)
Industrial Scientific 1810-5726 Toluene Equivalent Calibration Gas - 100 ppm (C7H8)
Industrial Scientific 1810-5734 Benzene Equivalent Calibration Gas - 5 ppm (C6H6)
Industrial Scientific 1810-5809 Isobutylene Equivalent Calibration Gas - 10 ppm (C4H8)
Industrial Scientific 1810-5825: 25% LEL Methane, 15% Oxygen, 200 ppm Carbon Monoxide, 75 ppm Hydrogen Sulfide, Balance Nitrogen, 34L
Industrial Scientific 1810-6005 Carbon Monoxide Equivalent Calibration Gas - 25 ppm (CO) 103L
Industrial Scientific 1810-6146 Carbon Dioxide Equivalent Calibration Gas - 300 ppm (CO2)
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