● QRA... UV flame detectors are used in conjunction with combustion
controllers to detect gas-fired oil flames
● Standards & Certifications:
● Intermittent operation/continuous operation
● It can monitor gas flame and yellow/blue fuel flame flame
● The average life of the UV chamber is ~10000h, and the maximum temperature is +50°C, and the higher ambient temperature will greatly shorten the life
● Allowable combustion chamber pressure QRA10 max. 50mbar
QRA10+AGG03 or AGG02 max. 500mbar
● Protection Category QRA2 II.
QRA10 Ⅰ
QRA5x.E/QRA5x.G Ⅰ
QRA7 Ⅰ
● Protection class QRA2 IP20
QRA10 IP54
QRA5x.E/QRA5x.G IP65
QRA7 IP65
● Working environment: Operating standard: IEC 60, 721-3-3
Climatic conditions Grade 3K3
Mechanical Condition: Class 3M3
Temperature range -20...+60°C
Humidity <95%r.F.