UV-02
Ultraviolet Flame Detector
The UV-02 ultraviolet flame detector with broad sensitivity setting range detects fires with open flame as well as arcs. It responds to the UV-C radiation mainly contained in the flame borders, in the range of 185-235 nm and is perfectly suited for open flames without smoke development in two- or four line systems.
The sensor does not respond to sunlight, light bulbs, fluorescent lights or flying sparks. False tripping is possible, however, with UV radiating light sources. Included in this are, for example, halogen and mercury vapor lamps, lightning, arc during welding work and reflections of the above radiation sources. In addition, smoke, dust and water vapor, as well as contamination of the UV pane, absorb the ultraviolet radiation and therefore negatively effect the response behavior of the sensor. The device has potential-free changeover for malfunctions and alarm and can be set to very short reaction times.
UV-01.ex – Data and Facts
| Operating voltage |
18…30VDC=
|
| Betriebsstrom Zweidrahttechnik |
< 400µA
|
| Spectral sensitivity |
185…235 nm
|
| Viewing angle without ventilation |
ca. 110°
|
| Viewing angle with ventilation |
ca.35°
|
| Temperature range |
-20…+60°C
|
| Dimensions | |
| without ventilation |
125 x 80 x 57 mm
|
| with ventilation |
125 x 80 x 75 mm
|
| Sensitivity | |
| (set to 2 cm gas flame from 3 mm tube, 30%prop.70%but.) |
300 cm <10s
|
Options and special features
| – Broad setting range for sensitivity, very short reaction time can be set – Potential-free changeover contact for fault / alarm, suitable for two and four wire systems – Available with purge air connection |
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