● QRB... Photoresistive flame detectors are used in conjunction with
combustion controllers to detect fuel flames in the visible spectrum.
● Standards & Certifications:
● Intermittent operation
● It can be used for visible light monitoring in oil burners
● Protection Category II.
● IP40 degree of protection
● Operating environment Operating standard DIN EN 60721-3-3
Climatic conditions Grade 3K5
Mechanical Condition Class 3M2
Temperature range -20...+60°C
Humidity <95%r.F.