Dräger Cal Gas 50% LEL CH₄, 100 ppm CO, 25 ppm H₂S, 2.5% CO₂, 17% O₂ , 116L/N₂ - PN 4597160 1746-NIO4V but normally this is not

but normally this is not a problem unless  the concentration exceed the TLVs

FOR MARK II DFP CONTROLLERS

Wireless data transfer

For your convenience

With its unique design

Dräger Cal Gas 50% LEL CH₄, 100 ppm CO, 25 ppm H₂S, 2.5% CO₂, 17% O₂ , 116L/N₂ - PN 4597160 1746-NIO4V but normally this is notDrger Cal Gas 50% LEL CH, 100 ppm CO, 25 ppm HS, 2. 5% CO, 17% O , 116L N PN: 4597160 Drger Calibration Gas Mixtures 50% LEL CH (methane), 100 ppm CO (carbon monoxide), 25 ppm HS, 2. 5% CO, 17% Vol. O (oxigen) , Balance N, 116 Liter, 1000 psi, 24 Month Maximum Shelf Life Drger Calibration gas and accessories Calibration of equipment will ensure safe operation and functionality of equipment and will also meet with the applicable regulations and codes