Siemens QRB1A-A040B40B flame sensor

Application of Siemens QRB1A-A040B40B flame sensor is intended for monitoring burning yellow flame liquid fuel in combination with burner controls of type LAL..., LME7..., LMO..., LMV... and LOA... The maximum spectral sensitivity of the QRB1A-A040B40B sensor is approximately 600 nm, thus taking into account the maximum level of visible light emission from burning yellow flame liquid fuel. This sensor is suitable for both frontal and lateral illumination (90°).