SIEMENS QRA2 Flame Monitor M18

The SIEMENS QRA2 flame sensor is an M18 device for flame monitoring in industrial plants. It is used for the detection of flame light, particularly in burners within heating systems or other combustion processes. The sensor ensures reliable monitoring of flame presence, thereby supporting safety and maintaining stable process conditions. It captures the ultraviolet portion of the flame light spectrum. Integrated protection against residual light, e.g., from hot furnace walls. The robust design allows for use in demanding environments. Application areas include process control in the chemical industry, power plants, and in heat generation facilities. Accurate flame monitoring for rapid response to disturbances.