| Model |
Features |
| MD-611E |
For oxygen deficiency prevention, CO poisoning prevention |
| MD-612E |
For oxygen deficiency prevention, H2S poisoning prevention |
| MD-620E |
For oxygen deficiency prevention, explosion prevention |
| MD-621E |
For oxygen deficiency prevention, explosion prevention |
| MD-619E |
For Hydrogen gas explosion prevention, monitor residual O2 |
| MD-801 |
For oxygen deficiency prevention, explosion prevention, H2S poisoning prevention |
| MD-811 |
For oxygen deficiency prevention, explosion prevention, CO poisoning prevention |
| MD-940 |
For oxygen deficiency prevention, explosion prevention, H2S and CO poisoning prevention |
