QRA2... flame detector
QRA UV flame detector and combustion controller used together to detect gas and fuel flames
Product features
1. Intermittent operation/continuous operation
2. Can monitor gas flames and yellow/blue fuel flames
Specification parameters
The average lifespan of the ultraviolet chamber is~10000h, with a maximum temperature of+50 ℃. Higher ambient temperatures will greatly shorten the lifespan
Permissible combustion chamber pressure QRA10 maximum 50mbar
QRA10+AGG03 or AGG02 maximum 500mbar
Protection category QRA2 II
QRA10 I
QRA5x E/QRA5x G I
QRA7 I
Protection level QRA2 IP20
QRA10 IP54
QRA5x E/QRA5x G IP65
QRA7 IP65
Working environment operation standard IEC 60 721-3-3
Climate condition level 3K3
Mechanical condition level 3M3
Temperature range -20.+60 ° C
Humidity<95% rF