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SIEMENS LANDIS QRA2 flame detector
SIEMENS LANDIS QRA2 flame detector

SIEMENS LANDIS QRA2 flame detector

  • Small and medium-sized burner systems
  • Heating boilers
  • Industrial heating equipment
  • Thermal drying systems
  • Safety systems requiring flame supervision
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    SIEMENS QRA2 is a UV flame detector with normal sensitivity, designed for monitoring the presence of flame in gas and oil burners. It is compatible with Siemens burner control units such as LFL and LGB series. Its compact design allows direct mounting on the burner.
    SpecificationValueDetection TechnologyUltraviolet (UV)Spectral Sensitivity190 – 270 nmSupply VoltageVia burner control unitCable Length1.5 meters (extendable)Operating Temperature-20 °C to +60 °CProtection ClassIP40MountingScrew-fixed, direct to burnerCompatibilitySiemens LFL1, LGB1, LGB21, LGB22, LME21/22/39, LMV2/3/5 seriesAverage Life10,000 hours @ 50 °CHousingMetalized plastic (prevents static charging)