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Siteco Quick-Check
Energy efficiency and light quality in a concise table: some of the criteria for a first orientation and as an indication for the evaluation of individual lighting situations are summarised here:
Quick-Check Energy
Luminaire
GOOD | BAD | |
| Lamp technology | efficient lamps, e.g. T16 fluorescent lamps, metal halide lamps | incandescent lamps |
| Control gear | electronic control gear | magnetic control gear |
| Care and maintenance | Luminaires easy to clean, do not soil easily | Luminaires soil easily |
| Light output ratio | efficient optics. e.g. ELDACON® | inefficient optics |
Lighting Management
GOOD | BAD | |
| Switching of system | indivually switchable | can only be switched as an entity |
| Dimming of system | Daylight-dependant constant light controller | fixed switching of artificial light |
| Presence of people | Occupancy/motion detector | Static switching |
| Variable lumen packages | multipower operation | Fixed lumen packages |
| Building managment technology | Integration in facility management system | Isolated facility |
Daylight
GOOD | BAD | |
| Room surfaces | white/bright surfaces clean rooms | dark surfaces, dirty rooms |
| Entry of daylight | controllable, can be directed, e.g. venetian blinds | simple static darkening (e.g. sunlight protection, venetian blinds) |
| Daylight systems: glare-free us of daylight all day | closed architecture |
Quick-Check Quality
Luminaire
GOOD | BAD | |
| EM (=compulsory light intensity) | adequate light intensity | not enough light intensity |
| Glare | no glare | direct and reflected glare |
| Shadows | balanced shadowing | hard shadows, no shadows (purely diffuse lighting) |
| Luminance | balanced | strong bright/dim contrasts |
| Colour rendering | natural colours (as with daylight) | artificial |
| Light atmosphere/Colour temperatureLichtfarbe | pleasant atmosphere, e.g. with a balanced relationship of direct to indirect light | unpleasant 'cave' effect, unexpected colour of light: evening blue |
| Individuality | can be user-adjusted (privacy) | predetermined |