constructed with a rolled steel housing and aluminum flanges

it features a 60°C ambient temperature rating

allowing for precise field calibration to compensate for installation variables

featuring one straight and one 90-degree angle connector for installation versatility

Q: What is this used for

Siemens Combustion QRA2M(1) Detector 322838-753 constructed with a rolled steelThe Siemens QRA2M(1) is a high sensitivity ultraviolet flame detector engineered for supervising gas and oil flames in industrial and commercial burner systems. Utilizing an intermittent operating mode, this UV flame detector monitors radiation intensity during each half cycle to provide accurate signal current to Siemens burner controls for safety critical flame supervision and ignition spark proving. The QRA2M(1) features a robust, metalized plastic