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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

$209.95
Lumidor GAS123 Methane 50% LEL Calibration Gas - 2.5% vol. (CH4)

Lumidor GAS123 Methane 50% LEL Calibration Gas - 2.5% vol. (CH4)

$125.95
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
Lumidor GFV279 Calibration Gas: 50% LEL Methane, 19% Oxygen, 50 ppm Carbon Monoxide, 10 ppm Sulfur Dioxide, Balance Nitrogen

Lumidor GFV279 Calibration Gas: 50% LEL Methane, 19% Oxygen, 50 ppm Carbon Monoxide, 10 ppm Sulfur Dioxide, Balance Nitrogen

$178.95
Methane 20% LEL Bump Test Gas - 1.0% vol. (CH4)

Methane 20% LEL Bump Test Gas - 1.0% vol. (CH4)

$47.95
Methane 20% LEL Bump-It Gas - 1.0% vol. (CH4)

Methane 20% LEL Bump-It Gas - 1.0% vol. (CH4)

$31.95
Methane 20% LEL Calibration Gas - 1.0% vol. (CH4)

Methane 20% LEL Calibration Gas - 1.0% vol. (CH4)

from $33.95
Methane 30% LEL Bump Test Gas - 1.5% vol. (CH4)

Methane 30% LEL Bump Test Gas - 1.5% vol. (CH4)

$47.95
Methane 30% LEL Bump-It Gas - 1.5% vol. (CH4)

Methane 30% LEL Bump-It Gas - 1.5% vol. (CH4)

$31.95
Methane 30% LEL Calibration Gas - 1.5% vol. (CH4)

Methane 30% LEL Calibration Gas - 1.5% vol. (CH4)

from $33.95
Methane 50% LEL Bump Test Gas - 2.5% vol. (CH4)

Methane 50% LEL Bump Test Gas - 2.5% vol. (CH4)

$60.95
Methane 50% LEL Bump-It Gas - 2.5% vol. (CH4)

Methane 50% LEL Bump-It Gas - 2.5% vol. (CH4)

$31.95
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