Understanding Lumens e Lux
Measuring Light
Learn Sobre LightQuando shopping for lights, you'll see lumens, lux, e watts. Understanding estes medições helps you choose o right bulb for reading, trabalhando, ou ambiance.
Lumens vs Lux
- Lumens: Como much total light a bulb produces
- Lux: Como much light reaches a surface
A 1000-lumen bulb produces 1000 lux at 1m² distance; at 2m², apenas 250 lux.
Comuns Light Levels
| Environment | Lux |
|---|---|
| Full moon | 0.25-1 |
| Street lighting | 10-15 |
| Living room | 50-150 |
| Office | 300-500 |
| Detailed work | 500-1000 |
| Surgery | 10,000-100,000 |
| Direct sunlight | 100,000 |
Conclusão
Lumens tell you como much light a bulb produces; lux tells you como bright a surface é. For choosing bulbs, compare lumens. For workplace requirements, check lux levels. O relationship: Lux = Lumens ÷ Área.