SiemensFlame Detectors
QRA4... Flame Detector
QRA4... UV flame detector for gas and oil burners.
Technical Specifications
| Parameter | Specification |
|---|---|
| Detector principle | Ultraviolet (UV) flame detection |
| Typical fuels | Gas and oil |
| Application | Flame supervision in industrial burners |
| Mounting | Standard sight pipe mounting |
Notes
- High sensitivity to UV radiation emitted by flames
- Resistant to visible light interference
- Used with Siemens burner control units
