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Industrial Scientific 1810-9185 Equivalent Calibration Gas: 40% LEL Methane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, 2.5% Carbon Dioxide, Balance Nitrogen

Industrial Scientific 1810-9185 Equivalent Calibration Gas: 40% LEL Methane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, 2.5% Carbon Dioxide, Balance Nitrogen

$209.95
Industrial Scientific 1810-9188 Equivalent Calibration Gas: 50% LEL Propane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-9188 Equivalent Calibration Gas: 50% LEL Propane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

$377.95
Industrial Scientific 1810-9190 Equivalent Calibration Gas: 25% LEL Pentane, 18% Oxygen, 100 ppm Carbon Monoxide, Balance Nitrogen

Industrial Scientific 1810-9190 Equivalent Calibration Gas: 25% LEL Pentane, 18% Oxygen, 100 ppm Carbon Monoxide, Balance Nitrogen

$68.95
Industrial Scientific 1810-9191 Equivalent Calibration Gas: 25% LEL Pentane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-9191 Equivalent Calibration Gas: 25% LEL Pentane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

$230.95
Industrial Scientific 1810-9192 Equivalent Calibration Gas: 50% LEL Methane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

Industrial Scientific 1810-9192 Equivalent Calibration Gas: 50% LEL Methane, 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

$219.95
Lumidor GFV1090 Calibration Gas: 50% LEL Methane, 20.9% Oxygen, 50 ppm Carbon Monoxide, Balance Air

Lumidor GFV1090 Calibration Gas: 50% LEL Methane, 20.9% Oxygen, 50 ppm Carbon Monoxide, Balance Air

$125.95
Lumidor GFV123 Calibration Gas: 50% LEL Methane, 20.9% Oxygen, 50 ppm Carbon Monoxide, Balance Air

Lumidor GFV123 Calibration Gas: 50% LEL Methane, 20.9% Oxygen, 50 ppm Carbon Monoxide, Balance Air

$125.95
Lumidor GFV207 Calibration Gas: 50% LEL Methane, 20.9% Oxygen, 50 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Air

Lumidor GFV207 Calibration Gas: 50% LEL Methane, 20.9% Oxygen, 50 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Air

$209.95
Lumidor GFV243 Calibration Gas: 50% LEL Methane, 20.9% Oxygen, 50 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Air

Lumidor GFV243 Calibration Gas: 50% LEL Methane, 20.9% Oxygen, 50 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Air

$178.95
MSA 10007047 Calibration Gas: 0.35% vol. Pentane, 19% Oxygen, 100 ppm Carbon Monoxide, Balance Nitrogen

MSA 10007047 Calibration Gas: 0.35% vol. Pentane, 19% Oxygen, 100 ppm Carbon Monoxide, Balance Nitrogen

$125.95
MSA 10007049 Calibration Gas: 0.35% vol. Pentane, 19% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

MSA 10007049 Calibration Gas: 0.35% vol. Pentane, 19% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, Balance Nitrogen

$209.95
MSA 10010162 Calibration Gas: 1.45% vol. Methane, 58% LEL Pentane, (58% LEL Pentane Equivalent), 15% Oxygen, 300 ppm Carbon Monoxide, Balance Nitrogen

MSA 10010162 Calibration Gas: 1.45% vol. Methane, 58% LEL Pentane, (58% LEL Pentane Equivalent), 15% Oxygen, 300 ppm Carbon Monoxide, Balance Nitrogen

$169.95
MSA 10045035 Calibration Gas: 1.45% vol. Methane, 58% LEL Pentane, (58% LEL Pentane Equivalent), 15% Oxygen, 60 ppm Carbon Monoxide, 20 ppm Hydrogen Sulfide, Balance Nitrogen

MSA 10045035 Calibration Gas: 1.45% vol. Methane, 58% LEL Pentane, (58% LEL Pentane Equivalent), 15% Oxygen, 60 ppm Carbon Monoxide, 20 ppm Hydrogen Sulfide, Balance Nitrogen

$269.95
MSA 10048280 Calibration Gas: 1.45% vol. Methane, 58% LEL Pentane, (58% LEL Pentane Equivalent), 15% Oxygen, 60 ppm Carbon Monoxide, 20 ppm Hydrogen Sulfide, Balance Nitrogen

MSA 10048280 Calibration Gas: 1.45% vol. Methane, 58% LEL Pentane, (58% LEL Pentane Equivalent), 15% Oxygen, 60 ppm Carbon Monoxide, 20 ppm Hydrogen Sulfide, Balance Nitrogen

$230.95
MSA 10048788 Calibration Gas: 1.45% vol. Methane, 15% Oxygen, 20 ppm Hydrogen Sulfide, Balance Nitrogen

MSA 10048788 Calibration Gas: 1.45% vol. Methane, 15% Oxygen, 20 ppm Hydrogen Sulfide, Balance Nitrogen

$209.95
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