Siemens DOW1171 - Page 19

Structure and function
Release Notes
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Building Technologies
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Fire Safety
2015-11-06
Features of the radio smoke detector DOW1171
● Consistent response to different fires
● Dynamic analysis of the sensor signal in the radio smoke detector itself
● Built-in diagnosis algorithms with automatic selftest
● High degree of immunity towards false alarms and environmental influences
● High-quality, opto-electronic sensor system
● Automatic compensation for soiling
● Supply via two 9 V lithium batteries
● Low current consumption, battery only needs replacing every 5 years
● Separate monitoring of each individual battery: Even when a battery fails,
detector operation is still guaranteed for up to 30 days
● Built-in alarm indicator
● Mounting with detector base DBW1171 (accessories)
Features of the manual call point SMF121 and radio base SMF6120
● Radio module is integrated in the radio base SMF6120
● Radio base supply via two 3.6 V lithium batteries
● Manual call point with indirect alarm activation: To trigger, drive in the washer
and press the knob
Applications
● For rooms of a high historical value, e.g. museums, churches, libraries.
● For rooms where cabling is not desired for esthetic reasons.
● For rooms where changes are always taking place, e.g. exhibition rooms.