DSW98A-D are photoelectric smoke alarms, they are generally more
effective at detecting smoldering fires which smolder for hours before
bursting into flame. Sources of these fires may include cigarettes
burning in couches or bedding. DSW98A-D accords with the ISO/DIS 12239
Standard. |

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SPECIFICATION:
Related Power: DC 9V
Static Current: <6.5uA
Alarm Current: <10mA(18mA when with emission)
Alarm sonority: > 85 db (3m)
Low Voltage Alarm: 5.5V~6.2V
Working temperature: -10 C~50 C
Working frequency: 315MHz 433MHz
Emission distance: >50m(wide place) |
WHERE TO INSTALL SMOKE ALARMS
1. At first, you need install them in your bedroom and routeway, and
should install one item in every bedroom at least.
2. Stairway is important for you to rush out when fires occur, so
there must install smoke detectors.
3. You at least require one smoke alarm on every floor,including finished
attics and basements.
4. Install one alarm beside every electric facility.
5. Install smoke alarms in the middle of ceiling,because smog,heat
and flashes always lift to the top of rooms
6. If some reasons cause you can’t install them in the middle
of ceiling,you need to install them at least 10cm away from the wall.
7. If you like to install them on the wall, they should be installed
10-30.5cm away under the ceiling. Diagram 1.
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