ENG
| IP kaitseaste | IP43 |
|---|
OTblue uses a highly sensitive blue LED instead of red in its optical chamber, detecting open fires, smouldering fires and smoke with very small particles. Together with the heat sensor this reduces false alarms.
| Operating voltage | 9 … 42 V DC |
|---|---|
| Quiescent current | approx. 50 µA |
| Alarm current | approx. 18 mA |
| Monitored area | max. 110 m² |
| Mounting height | max. 12 m |
| Air velocity | 0 … 25.4 m/s |
| Standard | EN 54-7/-5 A2 /-17, CEA 4021 |
| Sound level | max. 92 dB (A), +/- 2 db (A) @ 1m for DIN tone |
| Protection rating | IP43 (with base + option) |
| Operating temperature | -20 °C … 50 °C |
| Storage temperature | -25 °C … 75 °C |
| Humidity | < 95 % (non-condensing) |
| Material | ABS plastic |
| Colour | white, similar to RAL 9010 |
| Dimensions | Ø 117 mm, height 49 mm (62 mm incl. base) |
| Weight | approx. 110 g |