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SD-503ST Stand-alone combined smoke and heat detector
The SD-503ST is used to detect fire hazards in the interior of residential or commercial buildings. The detector can be installed in mobile homes or caravans. The product is not designed to be installed in industrial premises.
| Power | 3 x 1.5 V AA / 2.4 Ah alkaline battery |
|---|---|
| Typical battery lifetime | approx. 3 years |
| Smoke detection | optical light scattering |
| Smoke detector sensitivity | m = 0.11 ÷ 0.13 dB/m pursuant to EN 14604:2005 |
| Heat detection | class A1 according to EN 54-5 |
| Alarm temperature | + 60 °C to +65 °C |
| Operating temperature range | -10 °C to +65 °C |
| Dimensions, weight | diameter 126 mm, height 52 mm, 150 g |
| Conformity | EN 50130-4, EN 55022 |
