مستشعر اللهب Siemens QRB1B-A050B40A

Photoresistive flame detector Siemens QRB1B-A050B40A is designed for use with Siemens burners and serves to monitor the flame of liquid fuel burners in the visible light spectrum. The QRB1B flame detector is mainly used together with liquid fuel burner controls in intermittent operation.