General Description:
QRA2.9 is a compact UV flame detector designed for low and medium capacity gas and oil burners. It features reliable flame detection with a cost-effective and compact structure. Fully compatible with Siemens burner control units such as LFL and LGB series.
Technical Specifications:
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Detection Technology: Ultraviolet (UV)
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Spectral Sensitivity: 190 – 270 nm
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Power Supply: Supplied by burner control unit
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Cable Length: Typically 1.5 m (extendable on request)
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Connection Type: Plug-in or wired model
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Operating Temperature: -20 °C to +60 °C
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Storage Temperature: -40 °C to +80 °C
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Protection Class: IP40
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Compatible Controllers: Siemens LFL1, LGB1, LGB21, LGB22
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Mounting: Screw or adapter mount
Applications:
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Small and medium gas burners
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Oil-fired boiler systems
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Thermal heating systems
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Industrial furnaces
Advantages:
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Compact design
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Fast and reliable flame detection
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Easy to install and maintain
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Full compatibility with Siemens controllers