aRTU – Acoustic Remote Terminal Unit
Technical parameters
| Number of warning and voice recordings | 100 |
| Overall recording length | max. 16 hours |
| AC input voltage range | 90 V – 264 V AC / / 50 Hz – 60 Hz |
| Standby power from the mains | < 13 VA |
| Maximum power from the mains (during the charging process) | 330 VA |
| Maximum battery charging current | 5 A |
| Working temperature range | -25°C bis +65°C |
| Recommended battery | 2 x 12 V / 26 Ah |
| Device box weight (without batteries) | 21 kg |
| Device box dimensions (L x H x W) | 600 × 400 × 355 mm |
| Device box IP rating | IP54 or IP66 |
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