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STEINEL Professional
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STEINEL Professional STYLE
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Motion and Presence Detectors
The chief difference between motion and presence detectors lies in their detection properties and areas of use. The particular situation determines which technology is used where.
Dynamic means effective:
Motion detectors
Motion detectors respond to walking movements. They perceive these in the selected detection zone and respond to them: this means light is switched 'ON' when a movement is detected once ambient light levels fall below a preselected threshold. Light switches 'OFF again after the period you set. Their use is recommended for detecting moving objects outdoors or in thoroughfares indoors.
High-resolution and sensitive:
Presence detectors
Presence detectors respond to the tiniest movements using extremely highresolution, precision sensor technology. This is important indoors, particularly in conjunction with sedentary activities (offi ces for desk work, classrooms etc.) as well as for specific lighting tasks, such as in sports halls, changing rooms, corridors and storage areas. The light sensors continuously measure ambient light and constantly compare it with the preselected level. Light is switched on when ambient light falls below a specific threshold while people are present. If it's bright enough, light is automatically switched off even if people are in the room.
Precision squared
The detection zones of our IRpresence detectors are not round but square. This is not only far more precise and practical but also better to plan – there are no overlaps and no areas omitted. In addition to this, the square detection zones provided by STEINEL Professional presence detectors are precision-scalable.
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Motion detectors |
Presence detectors |
| Detection |
Walking movements |
Even the tiniest movement, also sedentary activities |
| Application |
Indoors and outdoors
Indoors: garages, corridors, storerooms
Outdoors: driveways, entrances, car parks, carports, fronts of buildings
Motion detectors provide convenience, safety and security |
Indoors
Offices, classrooms, conference rooms etc.
Highrooms: warehouses, sports halls etc.
Additional control of heating, ventilation, air-conditioning or constant lighting control
Presence detectors provide maximum energyefficiency and convenience |
Connection
capability |
Light
Relay switching output
additional loads |
Light
Heating, ventilation, air-conditioning (HVA)
1 - 10 V dimming interface
DALI, KNX |
Light 'ON'
criterion |
Movement after ambient light has fallen below threshold |
Light channel:
movement/presence when ambient light has fallen below threshold
HVA channel: movement/presence |
Light 'OFF'
criterion/light
measurement |
Load/artifi cial light 'ON' and light measurement deactivated while movement is being detected.
Period light stays 'ON' for starts after last detected movement, load/artifi cial light then switches 'OFF' |
Light 'OFF' if ambient light is sufficient despite detection of presence/movement
Light measurement remains activated HVA channel: is switched 'OFF' once the period it is set to stay 'ON' for elapses after last detected movement |
| Other |
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More setting capabilities for matching sensor tocontrol task
Signifi cantly greater detection precision Different options for different room types |
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