![GASCO Calibration Gas 421-CO2-0.5 Mixture 2.5% volume Methane (50% LEL), 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, 0.5% [5000 PPM] Carbon Dioxide, Balance Nitrogen in a 116 Liter ecosmart Cylinder](https://cdn11.bigcommerce.com/s-59olf0/images/stencil/1280x1280/products/137476/225871/116ES_calibration_gas_cyliner_gasco-calgasdirect__10113.1689547921.1280.1280__33741.1689549094.png?c=2 "GASCO Calibration Gas 421-CO2-0.5 Mixture 2.5% volume Methane (50% LEL), 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, 0.5% [5000 PPM] Carbon Dioxide, Balance Nitrogen in a 116 Liter ecosmart Cylinder")
![GASCO Calibration Gas 421-CO2-0.5 Mixture 2.5% volume Methane (50% LEL), 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, 0.5% [5000 PPM] Carbon Dioxide, Balance Nitrogen in a 116 Liter ecosmart Cylinder](https://cdn11.bigcommerce.com/s-59olf0/images/stencil/100x100/products/137476/225871/116ES_calibration_gas_cyliner_gasco-calgasdirect__10113.1689547921.1280.1280__33741.1689549094.png?c=2 "GASCO Calibration Gas 421-CO2-0.5 Mixture 2.5% volume Methane (50% LEL), 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, 0.5% [5000 PPM] Carbon Dioxide, Balance Nitrogen in a 116 Liter ecosmart Cylinder")
Product Description
GASCO Calibration Gas 116es-421-CO2-0.5 Mixture 2.5% volume Methane (50% LEL), 18% Oxygen, 100 ppm Carbon Monoxide, 25 ppm Hydrogen Sulfide, 0.5% [5000 PPM] Carbon Dioxide, Balance Nitrogen Contained in a 116 Liter Cylinder, For Use with Any and All Gas Detectors, Cylinder Connection C-10, Calibration Certificate NIST, Made in the USA
CARBON MONOXIDE (CO) 100 PPM
CARBON DIOXIDE (CO2) 5000 PPM [0.5% PPM]
HYDROGEN SULFIDE (H2S) 25 PPM
METHANE (CH4) 2.5% VOL (50% LEL)
OXYGEN (O2) 18% VOL
NITROGEN (N2) BALANCE
