IR3 Flame Detector
| Technical Specifications | ||
| Dimensions | Detector (W x H x D) | 108 x 142 x 82 mm |
| Cable gland entries | 2 x 20 mm | |
| Electrical | Terminal functions | |
| 1 – 2 | Supply in connections or 2-Wire connections +IN and -IN |
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| 3 – 4 | Remote test input connections +R and -R |
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| 5 – 6 | Alarm Relay RL1 connections | |
| 7 – 8 | Fault Relay RL2 connections | |
| Operating voltage | 14 to 30 V DC | |
| Current consumption, 2-Wire configuration | ||
| Standby | 4 mA | |
| Alarm | 20 mA | |
| Current consumption,4-Wire configuration | ||
| Standby | 8 mA | |
| Alarm | 20 mA | |
| Mechanics | Housing material | Die Cast Zinc Alloy (ZA12) |
| Housing color | Blue | |
| Weight | 2 kg | |
| Protection category (EN 60529) | IP65 | |
| Environmental conditions | Permissible operating temperature | -10 to +55°C |
| Permissible storage temperature | -20 to +65°C | |
| Relative humidity | 95%, no condensation | |
| Special features | Detection principle | Detection of low frequency (1 to 15 Hz) flickering infrared radiation |
| Operating wavelength band | 0.75 to 2.7 µm | |
| Detection area | 90° cone | |
| Sensitivity | High (Class 1 ) and Low (Class 3 ) | |
| Range | Class 1: 0.1 m² n-heptane at 25m Class 3: 0.1 m² n-heptane at 12m |
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