| Calibration Gas Mix | 2Gas: 2.2% CH4 (ATEX = 50% LEL), 18% O2 in N2 balance or 2Gas: 2.5% CH4 (UL = 50% LEL), 18% O2 in N2 balance or 2Gas: 1.25% CH4 (pentane Equi. 50% LEL), 18% O2 in N2 balance or 2Gas: 1.62% CH4 (propane Equi. 50% LEL), 18% O2 in N2 balance |
| Gas Cylinder Volume | 34 Litre or 60 Litre |