It comprises optical smoke and thermistor temperature sensors which give both a combined signal as well as a separate heat signal for improved false alarm management.
It adopts backward scattering maze and makes it more sensitive to detect the smoke generated from burning of different materials.
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JTF-GDM-936E spot-type composite smoke-sensing and temperature-sensing fire detector (hereinafter referred to as the detector) is a multi-element composite detector constituted jointly by a smoke sensor and a semiconductor temperature sensor in respect of technological structure and circuit structure. It has not only the performance of photoelectric smoke-sensing fire detectors but also the performance of temperature-sensing fire detectors.
This detector uses a non-polarity two-wire bus system, and can be jointly used with the 9000 series alarm controllers produced by our company.
| Operating environment | Indoors.Temperature: -10 °C - +50 °C;relative humidity: ≤ 95%,(40℃±2℃,non condensing) |
| Operating voltage | Bus 24 V |
| Operating current | Monitoring current < 0.5 mA;alarm current < 1.5 mA |
| Sensing technology | Double-sensing technology containing photoelectric sensor and temperature;sensor with temperature sensing type: A2 |
| Encoding mode | Soft addressing with encoding range 1-324 |
| Wiring | Non-polarity two-wire system |
| Operating indication | Blinks when polling, keeps on when alarming |
| Mounting | Ceiling-mount |
| Matched case | DZ-910 |
| Dimension | Diameter: 100 mm; height: 55 mm (with base) |
| Coding | Soft addressing |
| Certification | CCC (GB 4715-2005, GB 4716-2005) |
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