Portable trace oxygen analyzers
| MODEL | ANALYZER TYPE | RANGES |
| 3110 | Intrinsically safe oxygen analyzer, micro-fuel cell, NiCad batteries FM/FMc or ATEX approved, CE marked | 0-10ppm to 0-25% (down to 0-2% with XL option) |
| 311 / 311XL Series | Oxygen analyzer for hazardous areas, microfuel cell, NiCad batteries, intrinsically safe | 0-10 to 0-10,000 ppm |
