QRA4.U | Siemens | UV Flame Detector
USD 318
Manufacturer: Siemens
Product No.: QRA4.U
Product Type: Flame Detector
Sensitivity: Normal
Average UV Cell Life: Approximately 10,000 hours at a maximum ambient temperature of +50 °C (higher temperatures significantly reduce cell life)
Permissible Combustion Chamber Pressure: Maximum 150 mbar
Protection Rating: IP54 (to be ensured through proper mounting)
Net Weight: 0.18 kg
Shipping Weight: 1.18 kg
QRA4.U is a Siemens ultraviolet (UV) flame detector designed for reliable flame monitoring in industrial combustion systems. It ensures safe and precise detection of gas or oil flames in burners and boilers.
High-sensitivity UV flame detection for precise monitoring
Robust, durable die-cast housing for industrial environments
Resistant to false signals from daylight or hot surfaces
Easy integration with existing industrial automation and control systems
Suitable for gas burners, oil burners, and industrial boilers