 
	Gas Detector Head
|  | 
| Model | OH-D4E | |
|---|---|---|
| Sampling | Diffusion method | |
| Measuring Gas | Oxygen | |
| Detection Principle | Galvanic cell method | |
| Explosion proof | Exiadll CT4X (with a zener barrier) | |
| Dimensions | 92(W)×160(H)×70(D)mm | |
| Weight | 0.7kg | |
| Conformity Detector Alarm Unit | OA-480, KA-700R/G, KU-7R/G | |