QRA2 SIEMENS

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Ultraviolet Flame Detector QRA2(1), QRA2M(1), QRA2.9 for supervision of gas flames, yellow or blue oilflames and for ignition spark proving.

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Operation: 

When the UV radiation of the flame in the position of the detector is high enough, the detector is activated during each half wave, giving a signal current.

Specifications: 

- Metallized plastic housing to prevent static discharge caused by air circulation fan. 

- For direct mounting on the burner. 

- Interment use

- IP40 protection. 

- Temperature Range: -20 to 60 ° C.

Model

Sensitivity

Brida y collarín sujeción

Terminal cover

Spare UV tube

QRA2(1)

Normal

with

Black

AGR4 502 1131 0

 

QRA2.9*

without

QRA2M (1)

High

with

Green

AGR4 502 4065 0

 
*With heat-resistant housing for ambient temperatures up to 200°C (short-time, up to a few seconds)
2 Items

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